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javascript - Save andor Apply Background Image on click - Stack Overflow

时间： 2025-01-06 admin 业界

This question is not how to add Background Images, it is how to have it save the setting once the option has been selected, so after the page is refreshed or page is changed it remembers the choice.

I have made it so my background changes on click, however it does not save the theme and actually apply change after leaving the page or refreshing.

1.Is there anyway to apply it to the original code? if so I would really like help on how to do so.

if not

2.What changes would I need to make to have the NEW JS work with what I have now?

Extra Challenge:

(I only want it to affect the profile page and settings page and not the full website)

I Would really appreciate the help I don't mean to sound terrible.

Down below are links to the Codepens.

1.This is my original code I used to be able to change background:

2.This is the code I've tried to implement but have gotten confused/lost on how to get it to work with what I have:

I will also show the code below.

1.Working code but DOES NOT save

(HTML)

<script src=".7.1/jquery.min.js"></script>

<body id="Background">
  <div id="SettingsBox">
    <div>

      <div class="Embers" data-class="Embers-Theme-Card-Gradient" onclick="myFunction(this)">
        <h1>Embers</h1>

        <div class="mouse-position-tracker">
          <div></div>
          <div></div>
          <div></div>
          <div></div>
          <div></div>
          <div></div>
          <div></div>
          <div></div>
          <div></div>
        </div>
      </div>

      <div class="Darkmode-Theme-Card" data-class="Darkmode-Theme-Card-Gradient" onclick="myFunction(this)">
        <h1>Darkmode</h1>

        <div class="mouse-position-tracker">
          <div></div>
          <div></div>
          <div></div>
          <div></div>
          <div></div>
          <div></div>
          <div></div>
          <div></div>
          <div></div>
        </div>
      </div>
    </div>
  </div>
</body>

JS

function myFunction(obj) {
  $('body#Background').removeClass().addClass($(obj).data('class'));
}

CSS

body {
  width: 100%;
  height: 100vh;
  background-repeat: no-repeat;
  background-size: cover;
  background-image: url(".png");
  position: absolute;
  margin: auto;
}

.Embers-Theme-Card-Gradient{
  background-image: url(".png");
  position:relative;
}

.Darkmode-Theme-Card-Gradient{
(".png");
  position:relative;
}

.Coffee-Theme-Card-Gradient{
(".png");
  position:relative;
}

.Embers {
  --perspective: 1400px;
  --rotateX: 0;
  --rotateY: 0;
  --angle: 6.5deg;
  position: absolute;
  display: grid;
  place-content: center;
  text-align: center;
  box-shadow: rgba(0, 0, 0, 0.25) -20px 20px 20px 0px;
  padding: 2rem;
  aspect-ratio: 1 / 2;
  background-image: url(".png");
  background-size: cover;
  transform: perspective(var(--perspective)) rotateX(var(--rotateX)) rotateY(var(--rotateY));
  transition: transform 350ms ease;
  width: 180px;
  height: 75px;
  border-radius: 20px;
  left: 29%;
  bottom: 80%;
}

.Embers> :where(h1,
p) {
  background: rgba(221, 221, 221, 0.432);
  margin: 0;
  padding: 0.5rem;
}

.mouse-position-tracker {
  position: absolute;
  inset: 0;
}

.mouse-position-tracker>div {
  position: absolute;
  width: calc(100% / 3);
  height: calc(100% / 3);
  z-index: 2;
}

.Embers:has(.mouse-position-tracker>div:nth-child(1):hover) {
  --rotateX: var(--angle);
  --rotateY: calc(var(--angle) * -1);
}

.Embers:has(.mouse-position-tracker>div:nth-child(2):hover) {
  --rotateX: var(--angle);
}

.Embers:has(.mouse-position-tracker>div:nth-child(3):hover) {
  --rotateX: var(--angle);
  --rotateY: var(--angle);
}

.Embers:has(.mouse-position-tracker>div:nth-child(4):hover) {
  --rotateY: calc(var(--angle) * -1);
}

.Embers:has(.mouse-position-tracker>div:nth-child(6):hover) {
  --rotateY: var(--angle);
}

.Embers:has(.mouse-position-tracker>div:nth-child(7):hover) {
  --rotateX: calc(var(--angle) * -1);
  --rotateY: calc(var(--angle) * -1);
}

.Embers:has(.mouse-position-tracker>div:nth-child(8):hover) {
  --rotateX: calc(var(--angle) * -1);
}

.Embers:has(.mouse-position-tracker>div:nth-child(9):hover) {
  --rotateX: calc(var(--angle) * -1);
  --rotateY: var(--angle);
}


/* 1st, 4th, 7th */

.mouse-position-tracker>div:nth-of-type(3n - 2) {
  left: 0;
}


/* 2nd, 5th, 8th */

.mouse-position-tracker>div:nth-of-type(3n - 1) {
  left: calc(100% / 3);
}


/* 3rd, 6th, 9th */

.mouse-position-tracker>div:nth-of-type(3n) {
  right: 0;
}


/* 1-3 */

.mouse-position-tracker>div:nth-child(n+1):nth-child(-n+3) {
  top: 0;
}


/* 4-6 */

.mouse-position-tracker>div:nth-child(n+4):nth-child(-n+6) {
  top: calc(100% / 3);
}


/* 7-9 */

.mouse-position-tracker>div:nth-child(n+7):nth-child(-n+9) {
  bottom: 0;
}


/* general styling */

 :root {
  --shadow: 0px 1px 2.2px rgba(0, 0, 0, 0.02), 0px 2.5px 5.3px rgba(0, 0, 0, 0.028), 0px 4.6px 10px rgba(0, 0, 0, 0.035), 0px 8.3px 17.9px rgba(0, 0, 0, 0.042), 0px 15.5px 33.4px rgba(0, 0, 0, 0.05), 0px 37px 80px rgba(0, 0, 0, 0.07);
}

.Embers {
  cursor: pointer;
}

.Darkmode-Theme-Card {
  --perspective: 1400px;
  --rotateX: 0;
  --rotateY: 0;
  --angle: 5deg;
  position: absolute;
  display: grid;
  place-content: center;
  text-align: center;
  box-shadow: rgba(0, 0, 0, 0.25) -20px 20px 20px 0px;
  padding: 2rem;
  aspect-ratio: 1 / 2;
  background-image: url(".png");
  background-size: cover;
  transform: perspective(var(--perspective)) rotateX(var(--rotateX)) rotateY(var(--rotateY));
  transition: transform 350ms ease;
  width: 180px;
  height: 75px;
  border-radius: 20px;
  left: 10%;
  bottom: 80%;
}

.Darkmode-Theme-Card > :where(h1, p) {
    background: rgba(221, 221, 221, 0.432);
    margin: 0;
    padding: 0.5rem;
  }
  
  .mouse-position-tracker {
    position: absolute;
    inset: 0;
  }
  
  .mouse-position-tracker > div {
    position: absolute;
    width: calc(100% / 3);
    height: calc(100% / 3);
    z-index: 2;
  }
  
.Darkmode-Theme-Card:has(.mouse-position-tracker > div:nth-child(1):hover) {
    --rotateX: var(--angle);
    --rotateY: calc(var(--angle) * -1);
  }
  
.Darkmode-Theme-Card:has(.mouse-position-tracker > div:nth-child(2):hover) {
    --rotateX: var(--angle);
  }
  
.Darkmode-Theme-Card:has(.mouse-position-tracker > div:nth-child(3):hover) {
    --rotateX: var(--angle);
    --rotateY: var(--angle);
  }
  
.Darkmode-Theme-Card:has(.mouse-position-tracker > div:nth-child(4):hover) {
    --rotateY: calc(var(--angle) * -1);
  }
  
.Darkmode-Theme-Card:has(.mouse-position-tracker > div:nth-child(6):hover) {
    --rotateY: var(--angle);
  }
  
.Darkmode-Theme-Card:has(.mouse-position-tracker > div:nth-child(7):hover) {
    --rotateX: calc(var(--angle) * -1);
    --rotateY: calc(var(--angle) * -1);
  }
  
.Darkmode-Theme-Card:has(.mouse-position-tracker > div:nth-child(8):hover) {
    --rotateX: calc(var(--angle) * -1);
  }
  
 .Darkmode-Theme-Card:has(.mouse-position-tracker > div:nth-child(9):hover) {
    --rotateX: calc(var(--angle) * -1);
    --rotateY: var(--angle);
  }
  
  /* 1st, 4th, 7th */
  .mouse-position-tracker > div:nth-of-type(3n - 2) {
    left: 0;
  }
  /* 2nd, 5th, 8th */
  .mouse-position-tracker > div:nth-of-type(3n - 1) {
    left: calc(100% / 3);
  }
  /* 3rd, 6th, 9th */
  .mouse-position-tracker > div:nth-of-type(3n) {
    right: 0;
  }
  
  /* 1-3 */
  .mouse-position-tracker > div:nth-child(n + 1):nth-child(-n + 3) {
    top: 0;
  }
  
  /* 4-6 */
  .mouse-position-tracker > div:nth-child(n + 4):nth-child(-n + 6) {
    top: calc(100% / 3);
  }
  
  /* 7-9 */
  .mouse-position-tracker > div:nth-child(n + 7):nth-child(-n + 9) {
    bottom: 0;
  }
  
  /* general styling */
  :root {
    --shadow: 0px 1px 2.2px rgba(0, 0, 0, 0.02),
      0px 2.5px 5.3px rgba(0, 0, 0, 0.028), 0px 4.6px 10px rgba(0, 0, 0, 0.035),
      0px 8.3px 17.9px rgba(0, 0, 0, 0.042), 0px 15.5px 33.4px rgba(0, 0, 0, 0.05),
      0px 37px 80px rgba(0, 0, 0, 0.07);
  }

  .Darkmode-Theme-Card
  {
    cursor:pointer;
  }

#SettingsBox
{
  position:relative;
  height:850px;
  width:1400px;
  background-color:rgba(0, 0, 0, 0.25);
  border-radius:20px;
  box-shadow: -5px 5px 15px #111a;
  margin:auto;
  top:10%;
}

2.NOT Working (Same HTML and CSS) (HTML)

<script src=".7.1/jquery.min.js"></script>

<body id="Background">
  <div id="SettingsBox">
    <div>

      <div class="Embers" data-class="Embers-Theme-Card-Gradient" onclick="myFunction(this)">
        <h1>Embers</h1>

        <div class="mouse-position-tracker">
          <div></div>
          <div></div>
          <div></div>
          <div></div>
          <div></div>
          <div></div>
          <div></div>
          <div></div>
          <div></div>
        </div>
      </div>

      <div class="Darkmode-Theme-Card" data-class="Darkmode-Theme-Card-Gradient" onclick="myFunction(this)">
        <h1>Darkmode</h1>

        <div class="mouse-position-tracker">
          <div></div>
          <div></div>
          <div></div>
          <div></div>
          <div></div>
          <div></div>
          <div></div>
          <div></div>
          <div></div>
        </div>
      </div>
    </div>
  </div>
</body>

JS

let Embers = localStorage.getItem( 'Embers' )
const themeSwitch = document-getElementById ('Background')

const enableEmbers = () =› {
document.body.classList.add ('Embers')
localStorage setItem( 'Embers', 'active')
}

const disableEmbers = () => {
document. body. classList. remove( 'Embers')
localStorage setItem( 'Embers', null)
}

themeSwitch. addEventListener ("click", () => {
Embers !== "active" ? enableDarkmode() : disableDarkmode()
({

CSS

body {
  width: 100%;
  height: 100vh;
  background-repeat: no-repeat;
  background-size: cover;
  background-image: url(".png");
  position: absolute;
  margin: auto;
}

.Embers-Theme-Card-Gradient{
  background-image: url(".png");
  position:relative;
}

.Darkmode-Theme-Card-Gradient{
(".png");
  position:relative;
}

.Coffee-Theme-Card-Gradient{
(".png");
  position:relative;
}

.Embers {
  --perspective: 1400px;
  --rotateX: 0;
  --rotateY: 0;
  --angle: 6.5deg;
  position: absolute;
  display: grid;
  place-content: center;
  text-align: center;
  box-shadow: rgba(0, 0, 0, 0.25) -20px 20px 20px 0px;
  padding: 2rem;
  aspect-ratio: 1 / 2;
  background-image: url(".png");
  background-size: cover;
  transform: perspective(var(--perspective)) rotateX(var(--rotateX)) rotateY(var(--rotateY));
  transition: transform 350ms ease;
  width: 180px;
  height: 75px;
  border-radius: 20px;
  left: 29%;
  bottom: 80%;
}

.Embers> :where(h1,
p) {
  background: rgba(221, 221, 221, 0.432);
  margin: 0;
  padding: 0.5rem;
}

.mouse-position-tracker {
  position: absolute;
  inset: 0;
}

.mouse-position-tracker>div {
  position: absolute;
  width: calc(100% / 3);
  height: calc(100% / 3);
  z-index: 2;
}

.Embers:has(.mouse-position-tracker>div:nth-child(1):hover) {
  --rotateX: var(--angle);
  --rotateY: calc(var(--angle) * -1);
}

.Embers:has(.mouse-position-tracker>div:nth-child(2):hover) {
  --rotateX: var(--angle);
}

.Embers:has(.mouse-position-tracker>div:nth-child(3):hover) {
  --rotateX: var(--angle);
  --rotateY: var(--angle);
}

.Embers:has(.mouse-position-tracker>div:nth-child(4):hover) {
  --rotateY: calc(var(--angle) * -1);
}

.Embers:has(.mouse-position-tracker>div:nth-child(6):hover) {
  --rotateY: var(--angle);
}

.Embers:has(.mouse-position-tracker>div:nth-child(7):hover) {
  --rotateX: calc(var(--angle) * -1);
  --rotateY: calc(var(--angle) * -1);
}

.Embers:has(.mouse-position-tracker>div:nth-child(8):hover) {
  --rotateX: calc(var(--angle) * -1);
}

.Embers:has(.mouse-position-tracker>div:nth-child(9):hover) {
  --rotateX: calc(var(--angle) * -1);
  --rotateY: var(--angle);
}


/* 1st, 4th, 7th */

.mouse-position-tracker>div:nth-of-type(3n - 2) {
  left: 0;
}


/* 2nd, 5th, 8th */

.mouse-position-tracker>div:nth-of-type(3n - 1) {
  left: calc(100% / 3);
}


/* 3rd, 6th, 9th */

.mouse-position-tracker>div:nth-of-type(3n) {
  right: 0;
}


/* 1-3 */

.mouse-position-tracker>div:nth-child(n+1):nth-child(-n+3) {
  top: 0;
}


/* 4-6 */

.mouse-position-tracker>div:nth-child(n+4):nth-child(-n+6) {
  top: calc(100% / 3);
}


/* 7-9 */

.mouse-position-tracker>div:nth-child(n+7):nth-child(-n+9) {
  bottom: 0;
}


/* general styling */

 :root {
  --shadow: 0px 1px 2.2px rgba(0, 0, 0, 0.02), 0px 2.5px 5.3px rgba(0, 0, 0, 0.028), 0px 4.6px 10px rgba(0, 0, 0, 0.035), 0px 8.3px 17.9px rgba(0, 0, 0, 0.042), 0px 15.5px 33.4px rgba(0, 0, 0, 0.05), 0px 37px 80px rgba(0, 0, 0, 0.07);
}

.Embers {
  cursor: pointer;
}

.Darkmode-Theme-Card {
  --perspective: 1400px;
  --rotateX: 0;
  --rotateY: 0;
  --angle: 5deg;
  position: absolute;
  display: grid;
  place-content: center;
  text-align: center;
  box-shadow: rgba(0, 0, 0, 0.25) -20px 20px 20px 0px;
  padding: 2rem;
  aspect-ratio: 1 / 2;
  background-image: url(".png");
  background-size: cover;
  transform: perspective(var(--perspective)) rotateX(var(--rotateX)) rotateY(var(--rotateY));
  transition: transform 350ms ease;
  width: 180px;
  height: 75px;
  border-radius: 20px;
  left: 10%;
  bottom: 80%;
}

.Darkmode-Theme-Card > :where(h1, p) {
    background: rgba(221, 221, 221, 0.432);
    margin: 0;
    padding: 0.5rem;
  }
  
  .mouse-position-tracker {
    position: absolute;
    inset: 0;
  }
  
  .mouse-position-tracker > div {
    position: absolute;
    width: calc(100% / 3);
    height: calc(100% / 3);
    z-index: 2;
  }
  
.Darkmode-Theme-Card:has(.mouse-position-tracker > div:nth-child(1):hover) {
    --rotateX: var(--angle);
    --rotateY: calc(var(--angle) * -1);
  }
  
.Darkmode-Theme-Card:has(.mouse-position-tracker > div:nth-child(2):hover) {
    --rotateX: var(--angle);
  }
  
.Darkmode-Theme-Card:has(.mouse-position-tracker > div:nth-child(3):hover) {
    --rotateX: var(--angle);
    --rotateY: var(--angle);
  }
  
.Darkmode-Theme-Card:has(.mouse-position-tracker > div:nth-child(4):hover) {
    --rotateY: calc(var(--angle) * -1);
  }
  
.Darkmode-Theme-Card:has(.mouse-position-tracker > div:nth-child(6):hover) {
    --rotateY: var(--angle);
  }
  
.Darkmode-Theme-Card:has(.mouse-position-tracker > div:nth-child(7):hover) {
    --rotateX: calc(var(--angle) * -1);
    --rotateY: calc(var(--angle) * -1);
  }
  
.Darkmode-Theme-Card:has(.mouse-position-tracker > div:nth-child(8):hover) {
    --rotateX: calc(var(--angle) * -1);
  }
  
 .Darkmode-Theme-Card:has(.mouse-position-tracker > div:nth-child(9):hover) {
    --rotateX: calc(var(--angle) * -1);
    --rotateY: var(--angle);
  }
  
  /* 1st, 4th, 7th */
  .mouse-position-tracker > div:nth-of-type(3n - 2) {
    left: 0;
  }
  /* 2nd, 5th, 8th */
  .mouse-position-tracker > div:nth-of-type(3n - 1) {
    left: calc(100% / 3);
  }
  /* 3rd, 6th, 9th */
  .mouse-position-tracker > div:nth-of-type(3n) {
    right: 0;
  }
  
  /* 1-3 */
  .mouse-position-tracker > div:nth-child(n + 1):nth-child(-n + 3) {
    top: 0;
  }
  
  /* 4-6 */
  .mouse-position-tracker > div:nth-child(n + 4):nth-child(-n + 6) {
    top: calc(100% / 3);
  }
  
  /* 7-9 */
  .mouse-position-tracker > div:nth-child(n + 7):nth-child(-n + 9) {
    bottom: 0;
  }
  
  /* general styling */
  :root {
    --shadow: 0px 1px 2.2px rgba(0, 0, 0, 0.02),
      0px 2.5px 5.3px rgba(0, 0, 0, 0.028), 0px 4.6px 10px rgba(0, 0, 0, 0.035),
      0px 8.3px 17.9px rgba(0, 0, 0, 0.042), 0px 15.5px 33.4px rgba(0, 0, 0, 0.05),
      0px 37px 80px rgba(0, 0, 0, 0.07);
  }

  .Darkmode-Theme-Card
  {
    cursor:pointer;
  }

#SettingsBox
{
  position:relative;
  height:850px;
  width:1400px;
  background-color:rgba(0, 0, 0, 0.25);
  border-radius:20px;
  box-shadow: -5px 5px 15px #111a;
  margin:auto;
  top:10%;
}

This question is not how to add Background Images, it is how to have it save the setting once the option has been selected, so after the page is refreshed or page is changed it remembers the choice.

I have made it so my background changes on click, however it does not save the theme and actually apply change after leaving the page or refreshing.

1.Is there anyway to apply it to the original code? if so I would really like help on how to do so.

if not

2.What changes would I need to make to have the NEW JS work with what I have now?

Extra Challenge:

(I only want it to affect the profile page and settings page and not the full website)

I Would really appreciate the help I don't mean to sound terrible.

Down below are links to the Codepens.

1.This is my original code I used to be able to change background:https://codepen.io/Elixble/pen/RwzZaWB

2.This is the code I've tried to implement but have gotten confused/lost on how to get it to work with what I have:https://codepen.io/Elixble/pen/KwPyyVY

I will also show the code below.

1.Working code but DOES NOT save

(HTML)

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.7.1/jquery.min.js"></script>

<body id="Background">
  <div id="SettingsBox">
    <div>

      <div class="Embers" data-class="Embers-Theme-Card-Gradient" onclick="myFunction(this)">
        <h1>Embers</h1>

        <div class="mouse-position-tracker">
          <div></div>
          <div></div>
          <div></div>
          <div></div>
          <div></div>
          <div></div>
          <div></div>
          <div></div>
          <div></div>
        </div>
      </div>

      <div class="Darkmode-Theme-Card" data-class="Darkmode-Theme-Card-Gradient" onclick="myFunction(this)">
        <h1>Darkmode</h1>

        <div class="mouse-position-tracker">
          <div></div>
          <div></div>
          <div></div>
          <div></div>
          <div></div>
          <div></div>
          <div></div>
          <div></div>
          <div></div>
        </div>
      </div>
    </div>
  </div>
</body>

JS

function myFunction(obj) {
  $('body#Background').removeClass().addClass($(obj).data('class'));
}

CSS

body {
  width: 100%;
  height: 100vh;
  background-repeat: no-repeat;
  background-size: cover;
  background-image: url("https://i.postimg.cc/q78KTSXn/Dark-Mode-Background.png");
  position: absolute;
  margin: auto;
}

.Embers-Theme-Card-Gradient{
  background-image: url("https://i.postimg.cc/RFdn3tYZ/Embers-Background.png");
  position:relative;
}

.Darkmode-Theme-Card-Gradient{
("https://i.postimg.cc/q78KTSXn/Dark-Mode-Background.png");
  position:relative;
}

.Coffee-Theme-Card-Gradient{
("https://i.postimg.cc/Njxp1Q0J/Coffee.png");
  position:relative;
}

.Embers {
  --perspective: 1400px;
  --rotateX: 0;
  --rotateY: 0;
  --angle: 6.5deg;
  position: absolute;
  display: grid;
  place-content: center;
  text-align: center;
  box-shadow: rgba(0, 0, 0, 0.25) -20px 20px 20px 0px;
  padding: 2rem;
  aspect-ratio: 1 / 2;
  background-image: url("https://i.postimg.cc/wBDMSNcj/Embers.png");
  background-size: cover;
  transform: perspective(var(--perspective)) rotateX(var(--rotateX)) rotateY(var(--rotateY));
  transition: transform 350ms ease;
  width: 180px;
  height: 75px;
  border-radius: 20px;
  left: 29%;
  bottom: 80%;
}

.Embers> :where(h1,
p) {
  background: rgba(221, 221, 221, 0.432);
  margin: 0;
  padding: 0.5rem;
}

.mouse-position-tracker {
  position: absolute;
  inset: 0;
}

.mouse-position-tracker>div {
  position: absolute;
  width: calc(100% / 3);
  height: calc(100% / 3);
  z-index: 2;
}

.Embers:has(.mouse-position-tracker>div:nth-child(1):hover) {
  --rotateX: var(--angle);
  --rotateY: calc(var(--angle) * -1);
}

.Embers:has(.mouse-position-tracker>div:nth-child(2):hover) {
  --rotateX: var(--angle);
}

.Embers:has(.mouse-position-tracker>div:nth-child(3):hover) {
  --rotateX: var(--angle);
  --rotateY: var(--angle);
}

.Embers:has(.mouse-position-tracker>div:nth-child(4):hover) {
  --rotateY: calc(var(--angle) * -1);
}

.Embers:has(.mouse-position-tracker>div:nth-child(6):hover) {
  --rotateY: var(--angle);
}

.Embers:has(.mouse-position-tracker>div:nth-child(7):hover) {
  --rotateX: calc(var(--angle) * -1);
  --rotateY: calc(var(--angle) * -1);
}

.Embers:has(.mouse-position-tracker>div:nth-child(8):hover) {
  --rotateX: calc(var(--angle) * -1);
}

.Embers:has(.mouse-position-tracker>div:nth-child(9):hover) {
  --rotateX: calc(var(--angle) * -1);
  --rotateY: var(--angle);
}


/* 1st, 4th, 7th */

.mouse-position-tracker>div:nth-of-type(3n - 2) {
  left: 0;
}


/* 2nd, 5th, 8th */

.mouse-position-tracker>div:nth-of-type(3n - 1) {
  left: calc(100% / 3);
}


/* 3rd, 6th, 9th */

.mouse-position-tracker>div:nth-of-type(3n) {
  right: 0;
}


/* 1-3 */

.mouse-position-tracker>div:nth-child(n+1):nth-child(-n+3) {
  top: 0;
}


/* 4-6 */

.mouse-position-tracker>div:nth-child(n+4):nth-child(-n+6) {
  top: calc(100% / 3);
}


/* 7-9 */

.mouse-position-tracker>div:nth-child(n+7):nth-child(-n+9) {
  bottom: 0;
}


/* general styling */

 :root {
  --shadow: 0px 1px 2.2px rgba(0, 0, 0, 0.02), 0px 2.5px 5.3px rgba(0, 0, 0, 0.028), 0px 4.6px 10px rgba(0, 0, 0, 0.035), 0px 8.3px 17.9px rgba(0, 0, 0, 0.042), 0px 15.5px 33.4px rgba(0, 0, 0, 0.05), 0px 37px 80px rgba(0, 0, 0, 0.07);
}

.Embers {
  cursor: pointer;
}

.Darkmode-Theme-Card {
  --perspective: 1400px;
  --rotateX: 0;
  --rotateY: 0;
  --angle: 5deg;
  position: absolute;
  display: grid;
  place-content: center;
  text-align: center;
  box-shadow: rgba(0, 0, 0, 0.25) -20px 20px 20px 0px;
  padding: 2rem;
  aspect-ratio: 1 / 2;
  background-image: url("https://i.postimg.cc/Px4xqk7G/DarkMode.png");
  background-size: cover;
  transform: perspective(var(--perspective)) rotateX(var(--rotateX)) rotateY(var(--rotateY));
  transition: transform 350ms ease;
  width: 180px;
  height: 75px;
  border-radius: 20px;
  left: 10%;
  bottom: 80%;
}

.Darkmode-Theme-Card > :where(h1, p) {
    background: rgba(221, 221, 221, 0.432);
    margin: 0;
    padding: 0.5rem;
  }
  
  .mouse-position-tracker {
    position: absolute;
    inset: 0;
  }
  
  .mouse-position-tracker > div {
    position: absolute;
    width: calc(100% / 3);
    height: calc(100% / 3);
    z-index: 2;
  }
  
.Darkmode-Theme-Card:has(.mouse-position-tracker > div:nth-child(1):hover) {
    --rotateX: var(--angle);
    --rotateY: calc(var(--angle) * -1);
  }
  
.Darkmode-Theme-Card:has(.mouse-position-tracker > div:nth-child(2):hover) {
    --rotateX: var(--angle);
  }
  
.Darkmode-Theme-Card:has(.mouse-position-tracker > div:nth-child(3):hover) {
    --rotateX: var(--angle);
    --rotateY: var(--angle);
  }
  
.Darkmode-Theme-Card:has(.mouse-position-tracker > div:nth-child(4):hover) {
    --rotateY: calc(var(--angle) * -1);
  }
  
.Darkmode-Theme-Card:has(.mouse-position-tracker > div:nth-child(6):hover) {
    --rotateY: var(--angle);
  }
  
.Darkmode-Theme-Card:has(.mouse-position-tracker > div:nth-child(7):hover) {
    --rotateX: calc(var(--angle) * -1);
    --rotateY: calc(var(--angle) * -1);
  }
  
.Darkmode-Theme-Card:has(.mouse-position-tracker > div:nth-child(8):hover) {
    --rotateX: calc(var(--angle) * -1);
  }
  
 .Darkmode-Theme-Card:has(.mouse-position-tracker > div:nth-child(9):hover) {
    --rotateX: calc(var(--angle) * -1);
    --rotateY: var(--angle);
  }
  
  /* 1st, 4th, 7th */
  .mouse-position-tracker > div:nth-of-type(3n - 2) {
    left: 0;
  }
  /* 2nd, 5th, 8th */
  .mouse-position-tracker > div:nth-of-type(3n - 1) {
    left: calc(100% / 3);
  }
  /* 3rd, 6th, 9th */
  .mouse-position-tracker > div:nth-of-type(3n) {
    right: 0;
  }
  
  /* 1-3 */
  .mouse-position-tracker > div:nth-child(n + 1):nth-child(-n + 3) {
    top: 0;
  }
  
  /* 4-6 */
  .mouse-position-tracker > div:nth-child(n + 4):nth-child(-n + 6) {
    top: calc(100% / 3);
  }
  
  /* 7-9 */
  .mouse-position-tracker > div:nth-child(n + 7):nth-child(-n + 9) {
    bottom: 0;
  }
  
  /* general styling */
  :root {
    --shadow: 0px 1px 2.2px rgba(0, 0, 0, 0.02),
      0px 2.5px 5.3px rgba(0, 0, 0, 0.028), 0px 4.6px 10px rgba(0, 0, 0, 0.035),
      0px 8.3px 17.9px rgba(0, 0, 0, 0.042), 0px 15.5px 33.4px rgba(0, 0, 0, 0.05),
      0px 37px 80px rgba(0, 0, 0, 0.07);
  }

  .Darkmode-Theme-Card
  {
    cursor:pointer;
  }

#SettingsBox
{
  position:relative;
  height:850px;
  width:1400px;
  background-color:rgba(0, 0, 0, 0.25);
  border-radius:20px;
  box-shadow: -5px 5px 15px #111a;
  margin:auto;
  top:10%;
}

2.NOT Working (Same HTML and CSS) (HTML)

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.7.1/jquery.min.js"></script>

<body id="Background">
  <div id="SettingsBox">
    <div>

      <div class="Embers" data-class="Embers-Theme-Card-Gradient" onclick="myFunction(this)">
        <h1>Embers</h1>

        <div class="mouse-position-tracker">
          <div></div>
          <div></div>
          <div></div>
          <div></div>
          <div></div>
          <div></div>
          <div></div>
          <div></div>
          <div></div>
        </div>
      </div>

      <div class="Darkmode-Theme-Card" data-class="Darkmode-Theme-Card-Gradient" onclick="myFunction(this)">
        <h1>Darkmode</h1>

        <div class="mouse-position-tracker">
          <div></div>
          <div></div>
          <div></div>
          <div></div>
          <div></div>
          <div></div>
          <div></div>
          <div></div>
          <div></div>
        </div>
      </div>
    </div>
  </div>
</body>

JS

let Embers = localStorage.getItem( 'Embers' )
const themeSwitch = document-getElementById ('Background')

const enableEmbers = () =› {
document.body.classList.add ('Embers')
localStorage setItem( 'Embers', 'active')
}

const disableEmbers = () => {
document. body. classList. remove( 'Embers')
localStorage setItem( 'Embers', null)
}

themeSwitch. addEventListener ("click", () => {
Embers !== "active" ? enableDarkmode() : disableDarkmode()
({

CSS

body {
  width: 100%;
  height: 100vh;
  background-repeat: no-repeat;
  background-size: cover;
  background-image: url("https://i.postimg.cc/q78KTSXn/Dark-Mode-Background.png");
  position: absolute;
  margin: auto;
}

.Embers-Theme-Card-Gradient{
  background-image: url("https://i.postimg.cc/RFdn3tYZ/Embers-Background.png");
  position:relative;
}

.Darkmode-Theme-Card-Gradient{
("https://i.postimg.cc/q78KTSXn/Dark-Mode-Background.png");
  position:relative;
}

.Coffee-Theme-Card-Gradient{
("https://i.postimg.cc/Njxp1Q0J/Coffee.png");
  position:relative;
}

.Embers {
  --perspective: 1400px;
  --rotateX: 0;
  --rotateY: 0;
  --angle: 6.5deg;
  position: absolute;
  display: grid;
  place-content: center;
  text-align: center;
  box-shadow: rgba(0, 0, 0, 0.25) -20px 20px 20px 0px;
  padding: 2rem;
  aspect-ratio: 1 / 2;
  background-image: url("https://i.postimg.cc/wBDMSNcj/Embers.png");
  background-size: cover;
  transform: perspective(var(--perspective)) rotateX(var(--rotateX)) rotateY(var(--rotateY));
  transition: transform 350ms ease;
  width: 180px;
  height: 75px;
  border-radius: 20px;
  left: 29%;
  bottom: 80%;
}

.Embers> :where(h1,
p) {
  background: rgba(221, 221, 221, 0.432);
  margin: 0;
  padding: 0.5rem;
}

.mouse-position-tracker {
  position: absolute;
  inset: 0;
}

.mouse-position-tracker>div {
  position: absolute;
  width: calc(100% / 3);
  height: calc(100% / 3);
  z-index: 2;
}

.Embers:has(.mouse-position-tracker>div:nth-child(1):hover) {
  --rotateX: var(--angle);
  --rotateY: calc(var(--angle) * -1);
}

.Embers:has(.mouse-position-tracker>div:nth-child(2):hover) {
  --rotateX: var(--angle);
}

.Embers:has(.mouse-position-tracker>div:nth-child(3):hover) {
  --rotateX: var(--angle);
  --rotateY: var(--angle);
}

.Embers:has(.mouse-position-tracker>div:nth-child(4):hover) {
  --rotateY: calc(var(--angle) * -1);
}

.Embers:has(.mouse-position-tracker>div:nth-child(6):hover) {
  --rotateY: var(--angle);
}

.Embers:has(.mouse-position-tracker>div:nth-child(7):hover) {
  --rotateX: calc(var(--angle) * -1);
  --rotateY: calc(var(--angle) * -1);
}

.Embers:has(.mouse-position-tracker>div:nth-child(8):hover) {
  --rotateX: calc(var(--angle) * -1);
}

.Embers:has(.mouse-position-tracker>div:nth-child(9):hover) {
  --rotateX: calc(var(--angle) * -1);
  --rotateY: var(--angle);
}


/* 1st, 4th, 7th */

.mouse-position-tracker>div:nth-of-type(3n - 2) {
  left: 0;
}


/* 2nd, 5th, 8th */

.mouse-position-tracker>div:nth-of-type(3n - 1) {
  left: calc(100% / 3);
}


/* 3rd, 6th, 9th */

.mouse-position-tracker>div:nth-of-type(3n) {
  right: 0;
}


/* 1-3 */

.mouse-position-tracker>div:nth-child(n+1):nth-child(-n+3) {
  top: 0;
}


/* 4-6 */

.mouse-position-tracker>div:nth-child(n+4):nth-child(-n+6) {
  top: calc(100% / 3);
}


/* 7-9 */

.mouse-position-tracker>div:nth-child(n+7):nth-child(-n+9) {
  bottom: 0;
}


/* general styling */

 :root {
  --shadow: 0px 1px 2.2px rgba(0, 0, 0, 0.02), 0px 2.5px 5.3px rgba(0, 0, 0, 0.028), 0px 4.6px 10px rgba(0, 0, 0, 0.035), 0px 8.3px 17.9px rgba(0, 0, 0, 0.042), 0px 15.5px 33.4px rgba(0, 0, 0, 0.05), 0px 37px 80px rgba(0, 0, 0, 0.07);
}

.Embers {
  cursor: pointer;
}

.Darkmode-Theme-Card {
  --perspective: 1400px;
  --rotateX: 0;
  --rotateY: 0;
  --angle: 5deg;
  position: absolute;
  display: grid;
  place-content: center;
  text-align: center;
  box-shadow: rgba(0, 0, 0, 0.25) -20px 20px 20px 0px;
  padding: 2rem;
  aspect-ratio: 1 / 2;
  background-image: url("https://i.postimg.cc/Px4xqk7G/DarkMode.png");
  background-size: cover;
  transform: perspective(var(--perspective)) rotateX(var(--rotateX)) rotateY(var(--rotateY));
  transition: transform 350ms ease;
  width: 180px;
  height: 75px;
  border-radius: 20px;
  left: 10%;
  bottom: 80%;
}

.Darkmode-Theme-Card > :where(h1, p) {
    background: rgba(221, 221, 221, 0.432);
    margin: 0;
    padding: 0.5rem;
  }
  
  .mouse-position-tracker {
    position: absolute;
    inset: 0;
  }
  
  .mouse-position-tracker > div {
    position: absolute;
    width: calc(100% / 3);
    height: calc(100% / 3);
    z-index: 2;
  }
  
.Darkmode-Theme-Card:has(.mouse-position-tracker > div:nth-child(1):hover) {
    --rotateX: var(--angle);
    --rotateY: calc(var(--angle) * -1);
  }
  
.Darkmode-Theme-Card:has(.mouse-position-tracker > div:nth-child(2):hover) {
    --rotateX: var(--angle);
  }
  
.Darkmode-Theme-Card:has(.mouse-position-tracker > div:nth-child(3):hover) {
    --rotateX: var(--angle);
    --rotateY: var(--angle);
  }
  
.Darkmode-Theme-Card:has(.mouse-position-tracker > div:nth-child(4):hover) {
    --rotateY: calc(var(--angle) * -1);
  }
  
.Darkmode-Theme-Card:has(.mouse-position-tracker > div:nth-child(6):hover) {
    --rotateY: var(--angle);
  }
  
.Darkmode-Theme-Card:has(.mouse-position-tracker > div:nth-child(7):hover) {
    --rotateX: calc(var(--angle) * -1);
    --rotateY: calc(var(--angle) * -1);
  }
  
.Darkmode-Theme-Card:has(.mouse-position-tracker > div:nth-child(8):hover) {
    --rotateX: calc(var(--angle) * -1);
  }
  
 .Darkmode-Theme-Card:has(.mouse-position-tracker > div:nth-child(9):hover) {
    --rotateX: calc(var(--angle) * -1);
    --rotateY: var(--angle);
  }
  
  /* 1st, 4th, 7th */
  .mouse-position-tracker > div:nth-of-type(3n - 2) {
    left: 0;
  }
  /* 2nd, 5th, 8th */
  .mouse-position-tracker > div:nth-of-type(3n - 1) {
    left: calc(100% / 3);
  }
  /* 3rd, 6th, 9th */
  .mouse-position-tracker > div:nth-of-type(3n) {
    right: 0;
  }
  
  /* 1-3 */
  .mouse-position-tracker > div:nth-child(n + 1):nth-child(-n + 3) {
    top: 0;
  }
  
  /* 4-6 */
  .mouse-position-tracker > div:nth-child(n + 4):nth-child(-n + 6) {
    top: calc(100% / 3);
  }
  
  /* 7-9 */
  .mouse-position-tracker > div:nth-child(n + 7):nth-child(-n + 9) {
    bottom: 0;
  }
  
  /* general styling */
  :root {
    --shadow: 0px 1px 2.2px rgba(0, 0, 0, 0.02),
      0px 2.5px 5.3px rgba(0, 0, 0, 0.028), 0px 4.6px 10px rgba(0, 0, 0, 0.035),
      0px 8.3px 17.9px rgba(0, 0, 0, 0.042), 0px 15.5px 33.4px rgba(0, 0, 0, 0.05),
      0px 37px 80px rgba(0, 0, 0, 0.07);
  }

  .Darkmode-Theme-Card
  {
    cursor:pointer;
  }

#SettingsBox
{
  position:relative;
  height:850px;
  width:1400px;
  background-color:rgba(0, 0, 0, 0.25);
  border-radius:20px;
  box-shadow: -5px 5px 15px #111a;
  margin:auto;
  top:10%;
}
  • javascript
  • html
  • jquery
  • css
Share Improve this question edited yesterday Eliable asked yesterday EliableEliable 351 silver badge4 bronze badges 4
  • 4 The easiest answer is to use localstorage: developer.mozilla.org/en-US/docs/Web/API/Window/localStorage – ControlAltDel Commented yesterday
  • This is not valid JS document-getElementById ('Background') – mplungjan Commented yesterday
  • Please go here and copy/paste the JavaScript. I'm sure that'll help with the syntax errors. – zer00ne Commented yesterday
  • codepen.io/zer00ne/pen/gbYpPgx?editors=0100 – zer00ne Commented 16 hours ago
Add a comment  | 

1 Answer 1

Reset to default 2

There are several issues with invalid JS and selectors

Add card to the classes and change data-class to data-theme

 <div class="card Embers" data-theme="Embers-Theme-Card-Gradient"
 <div class="card Darkmode-Theme-Card" data-theme="Darkmode-Theme-Card-Gradient"

jsfiddle because Stackoverflow does not allow localStorage

window.addEventListener("load", () => {
  let settingsBox = document.getElementById("SettingsBox")
  let themes = Array.from(settingsBox.querySelectorAll(".card")).map(card => card.dataset.theme);
  let theme = themes[0]; // remove this and uncomment the next line
  //localStorage.getItem("theme") || themes[0] // First theme is default
  const bodyClassList = document.body.classList
  // Apply the initial theme
  bodyClassList.add(theme)

  // Add event listener to SettingsBox
  settingsBox.addEventListener("click", (e) => {
    const tgt = e.target.closest("div.card");
    if (!tgt) return; // not a card
    const clickedTheme = tgt.dataset.theme
    // Remove all theme classes from the body
    bodyClassList.remove(...themes);
    bodyClassList.add(clickedTheme);
    // Save the selected theme to localStorage uncomment on your server
    // localStorage.setItem("theme", clickedTheme);
  })
})
body {
  width: 100%;
  height: 100vh;
  background-repeat: no-repeat;
  background-size: cover;
  background-image: url("https://i.postimg.cc/q78KTSXn/Dark-Mode-Background.png");
  position: absolute;
  margin: auto;
}

.Embers-Theme-Card-Gradient{
  background-image: url("https://i.postimg.cc/RFdn3tYZ/Embers-Background.png");
  position:relative;
}

.Darkmode-Theme-Card-Gradient{
("https://i.postimg.cc/q78KTSXn/Dark-Mode-Background.png");
  position:relative;
}

.Coffee-Theme-Card-Gradient{
("https://i.postimg.cc/Njxp1Q0J/Coffee.png");
  position:relative;
}

.Embers {
  --perspective: 1400px;
  --rotateX: 0;
  --rotateY: 0;
  --angle: 6.5deg;
  position: absolute;
  display: grid;
  place-content: center;
  text-align: center;
  box-shadow: rgba(0, 0, 0, 0.25) -20px 20px 20px 0px;
  padding: 2rem;
  aspect-ratio: 1 / 2;
  background-image: url("https://i.postimg.cc/wBDMSNcj/Embers.png");
  background-size: cover;
  transform: perspective(var(--perspective)) rotateX(var(--rotateX)) rotateY(var(--rotateY));
  transition: transform 350ms ease;
  width: 180px;
  height: 75px;
  border-radius: 20px;
  left: 29%;
  bottom: 80%;
}

.Embers> :where(h1,
p) {
  background: rgba(221, 221, 221, 0.432);
  margin: 0;
  padding: 0.5rem;
}

.mouse-position-tracker {
  position: absolute;
  inset: 0;
}

.mouse-position-tracker>div {
  position: absolute;
  width: calc(100% / 3);
  height: calc(100% / 3);
  z-index: 2;
}

.Embers:has(.mouse-position-tracker>div:nth-child(1):hover) {
  --rotateX: var(--angle);
  --rotateY: calc(var(--angle) * -1);
}

.Embers:has(.mouse-position-tracker>div:nth-child(2):hover) {
  --rotateX: var(--angle);
}

.Embers:has(.mouse-position-tracker>div:nth-child(3):hover) {
  --rotateX: var(--angle);
  --rotateY: var(--angle);
}

.Embers:has(.mouse-position-tracker>div:nth-child(4):hover) {
  --rotateY: calc(var(--angle) * -1);
}

.Embers:has(.mouse-position-tracker>div:nth-child(6):hover) {
  --rotateY: var(--angle);
}

.Embers:has(.mouse-position-tracker>div:nth-child(7):hover) {
  --rotateX: calc(var(--angle) * -1);
  --rotateY: calc(var(--angle) * -1);
}

.Embers:has(.mouse-position-tracker>div:nth-child(8):hover) {
  --rotateX: calc(var(--angle) * -1);
}

.Embers:has(.mouse-position-tracker>div:nth-child(9):hover) {
  --rotateX: calc(var(--angle) * -1);
  --rotateY: var(--angle);
}


/* 1st, 4th, 7th */

.mouse-position-tracker>div:nth-of-type(3n - 2) {
  left: 0;
}


/* 2nd, 5th, 8th */

.mouse-position-tracker>div:nth-of-type(3n - 1) {
  left: calc(100% / 3);
}


/* 3rd, 6th, 9th */

.mouse-position-tracker>div:nth-of-type(3n) {
  right: 0;
}


/* 1-3 */

.mouse-position-tracker>div:nth-child(n+1):nth-child(-n+3) {
  top: 0;
}


/* 4-6 */

.mouse-position-tracker>div:nth-child(n+4):nth-child(-n+6) {
  top: calc(100% / 3);
}


/* 7-9 */

.mouse-position-tracker>div:nth-child(n+7):nth-child(-n+9) {
  bottom: 0;
}


/* general styling */

 :root {
  --shadow: 0px 1px 2.2px rgba(0, 0, 0, 0.02), 0px 2.5px 5.3px rgba(0, 0, 0, 0.028), 0px 4.6px 10px rgba(0, 0, 0, 0.035), 0px 8.3px 17.9px rgba(0, 0, 0, 0.042), 0px 15.5px 33.4px rgba(0, 0, 0, 0.05), 0px 37px 80px rgba(0, 0, 0, 0.07);
}

.Embers {
  cursor: pointer;
}

.Darkmode-Theme-Card {
  --perspective: 1400px;
  --rotateX: 0;
  --rotateY: 0;
  --angle: 5deg;
  position: absolute;
  display: grid;
  place-content: center;
  text-align: center;
  box-shadow: rgba(0, 0, 0, 0.25) -20px 20px 20px 0px;
  padding: 2rem;
  aspect-ratio: 1 / 2;
  background-image: url("https://i.postimg.cc/Px4xqk7G/DarkMode.png");
  background-size: cover;
  transform: perspective(var(--perspective)) rotateX(var(--rotateX)) rotateY(var(--rotateY));
  transition: transform 350ms ease;
  width: 180px;
  height: 75px;
  border-radius: 20px;
  left: 10%;
  bottom: 80%;
}

.Darkmode-Theme-Card > :where(h1, p) {
    background: rgba(221, 221, 221, 0.432);
    margin: 0;
    padding: 0.5rem;
  }
  
  .mouse-position-tracker {
    position: absolute;
    inset: 0;
  }
  
  .mouse-position-tracker > div {
    position: absolute;
    width: calc(100% / 3);
    height: calc(100% / 3);
    z-index: 2;
  }
  
.Darkmode-Theme-Card:has(.mouse-position-tracker > div:nth-child(1):hover) {
    --rotateX: var(--angle);
    --rotateY: calc(var(--angle) * -1);
  }
  
.Darkmode-Theme-Card:has(.mouse-position-tracker > div:nth-child(2):hover) {
    --rotateX: var(--angle);
  }
  
.Darkmode-Theme-Card:has(.mouse-position-tracker > div:nth-child(3):hover) {
    --rotateX: var(--angle);
    --rotateY: var(--angle);
  }
  
.Darkmode-Theme-Card:has(.mouse-position-tracker > div:nth-child(4):hover) {
    --rotateY: calc(var(--angle) * -1);
  }
  
.Darkmode-Theme-Card:has(.mouse-position-tracker > div:nth-child(6):hover) {
    --rotateY: var(--angle);
  }
  
.Darkmode-Theme-Card:has(.mouse-position-tracker > div:nth-child(7):hover) {
    --rotateX: calc(var(--angle) * -1);
    --rotateY: calc(var(--angle) * -1);
  }
  
.Darkmode-Theme-Card:has(.mouse-position-tracker > div:nth-child(8):hover) {
    --rotateX: calc(var(--angle) * -1);
  }
  
 .Darkmode-Theme-Card:has(.mouse-position-tracker > div:nth-child(9):hover) {
    --rotateX: calc(var(--angle) * -1);
    --rotateY: var(--angle);
  }
  
  /* 1st, 4th, 7th */
  .mouse-position-tracker > div:nth-of-type(3n - 2) {
    left: 0;
  }
  /* 2nd, 5th, 8th */
  .mouse-position-tracker > div:nth-of-type(3n - 1) {
    left: calc(100% / 3);
  }
  /* 3rd, 6th, 9th */
  .mouse-position-tracker > div:nth-of-type(3n) {
    right: 0;
  }
  
  /* 1-3 */
  .mouse-position-tracker > div:nth-child(n + 1):nth-child(-n + 3) {
    top: 0;
  }
  
  /* 4-6 */
  .mouse-position-tracker > div:nth-child(n + 4):nth-child(-n + 6) {
    top: calc(100% / 3);
  }
  
  /* 7-9 */
  .mouse-position-tracker > div:nth-child(n + 7):nth-child(-n + 9) {
    bottom: 0;
  }
  
  /* general styling */
  :root {
    --shadow: 0px 1px 2.2px rgba(0, 0, 0, 0.02),
      0px 2.5px 5.3px rgba(0, 0, 0, 0.028), 0px 4.6px 10px rgba(0, 0, 0, 0.035),
      0px 8.3px 17.9px rgba(0, 0, 0, 0.042), 0px 15.5px 33.4px rgba(0, 0, 0, 0.05),
      0px 37px 80px rgba(0, 0, 0, 0.07);
  }

  .Darkmode-Theme-Card
  {
    cursor:pointer;
  }

#SettingsBox
{
  position:relative;
  height:850px;
  width:1400px;
  background-color:rgba(0, 0, 0, 0.25);
  border-radius:20px;
  box-shadow: -5px 5px 15px #111a;
  margin:auto;
  top:10%;
}
<div id="SettingsBox">
  <div>
    <div class="card Embers" data-theme="Embers-Theme-Card-Gradient">
      <h1>Embers</h1>
      <div class="mouse-position-tracker">
        <div></div><div></div><div></div>
        <div></div><div></div><div></div>
        <div></div><div></div><div></div>
      </div>
    </div>

    <div class="card Darkmode-Theme-Card" data-theme="Darkmode-Theme-Card-Gradient">
      <h1>Darkmode</h1>
      <div class="mouse-position-tracker">
        <div></div><div></div><div></div>
        <div></div><div></div><div></div>
        <div></div><div></div><div></div>
      </div>
    </div>
  </div>
</div>

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