Pen Settings

HTML

CSS

CSS Base

Vendor Prefixing

Add External Stylesheets/Pens

Any URL's added here will be added as <link>s in order, and before the CSS in the editor. You can use the CSS from another Pen by using it's URL and the proper URL extention.

+ add another resource

JavaScript

Babel includes JSX processing.

Add External Scripts/Pens

Any URL's added here will be added as <script>s in order, and run before the JavaScript in the editor. You can use the URL of any other Pen and it will include the JavaScript from that Pen.

+ add another resource

Packages

Add Packages

Search for and use JavaScript packages from npm here. By selecting a package, an import statement will be added to the top of the JavaScript editor for this package.

Behavior

Save Automatically?

If active, Pens will autosave every 30 seconds after being saved once.

Auto-Updating Preview

If enabled, the preview panel updates automatically as you code. If disabled, use the "Run" button to update.

Format on Save

If enabled, your code will be formatted when you actively save your Pen. Note: your code becomes un-folded during formatting.

Editor Settings

Code Indentation

Want to change your Syntax Highlighting theme, Fonts and more?

Visit your global Editor Settings.

HTML

              
                <main id=app>
    
  <p>Please checkout the newer version of this; <a href="https://codepen.io/simeydotme/pen/abYWJdX" target="_blank">https://codepen.io/simeydotme/pen/abYWJdX</a></p>
  
  <h1>Pokemon Card, Holo Effect</h1>
  
  <section class="cards">
    <div class="card charizard animated"></div>
    <div class="card pika animated"></div>
    <div class="card eevee animated"></div>
    <div class="card mewtwo animated"></div>
  </section>
  

  
  
  
  
  <style class="hover"></style>
  
  <section class="demo">
    <div class="card"></div>
    <span class="operator">+</span>
    <div class="card"><span>color-dodge</span></div>
    <span class="operator">+</span>
    <div class="card"><span>color-dodge</span></div>
  </section>

  
  <p class="bottom">Please checkout the newer version of this; <a href="https://codepen.io/simeydotme/pen/abYWJdX" target="_blank">https://codepen.io/simeydotme/pen/abYWJdX</a></p>
  
</main>
              
            
!

CSS

              
                :root {
  --color1: rgb(0, 231, 255);
  --color2: rgb(255, 0, 231);
  --back: url(https://cdn2.bulbagarden.net/upload/1/17/Cardback.jpg);
  --charizard1: #fac;
  --charizard2: #ddccaa;
  --charizardfront: url(https://assets.codepen.io/13471/charizard-gx.webp);
  --pika1: #54a29e;
  --pika2: #a79d66;
  --pikafront: url(https://assets.codepen.io/13471/pikachu-gx.webp);
  --eevee1: #efb2fb;
  --eevee2: #acc6f8;
  --eeveefront: url(https://assets.codepen.io/13471/eevee-gx.webp);
  --mewtwo1: #efb2fb;
  --mewtwo2: #acc6f8;
  --mewtwofront: url(https://assets.codepen.io/13471/mewtwo-gx.webp);
}



.card {

  width: 71.5vw;
  height: 100vw;
    // width: clamp(200px, 61vh, 18vw);
    // height: clamp(280px, 85vh, 25.2vw);
  @media screen and (min-width: 600px) {
    // width: 61vh;
    // height: 85vh;
    // max-width: 500px;
    // max-height: 700px;
    width: clamp(12.9vw, 61vh, 18vw);
    height: clamp(18vw, 85vh, 25.2vw);
  }
  
  position: relative;
  overflow: hidden;
  margin: 20px;
  overflow: hidden;
  z-index: 10;
  touch-action: none;
  
  border-radius: 5% / 3.5%;
  box-shadow: 
    -5px -5px 5px -5px var(--color1), 
    5px 5px 5px -5px var(--color2), 
    -7px -7px 10px -5px transparent, 
    7px 7px 10px -5px transparent, 
    0 0 5px 0px rgba(255,255,255,0),
    0 55px 35px -20px rgba(0, 0, 0, 0.5);
  
  transition: transform 0.5s ease, box-shadow 0.2s ease;
  will-change: transform, filter;
  
  background-color: #040712;
  background-image: var(--front);
  background-size: cover;
  background-repeat: no-repeat;
  background-position: 50% 50%;
  transform-origin: center;
  
}

.card:hover {
  box-shadow: 
    -20px -20px 30px -25px var(--color1), 
    20px 20px 30px -25px var(--color2), 
    -7px -7px 10px -5px var(--color1), 
    7px 7px 10px -5px var(--color2), 
    0 0 13px 4px rgba(255,255,255,0.3),
    0 55px 35px -20px rgba(0, 0, 0, 0.5);
}

.card.charizard {
  --color1: var(--charizard1);
  --color2: var(--charizard2);
  --front: var(--charizardfront);
}
.card.pika {
  --color1: var(--pika1);
  --color2: var(--pika2);
  --front: var(--pikafront);
}
.card.mewtwo {
  --color1: var(--mewtwo1);
  --color2: var(--mewtwo2);
  --front: var(--mewtwofront);
}
.card.eevee {
  --color1: #ec9bb6;
  --color2: #ccac6f;
  --color3: #69e4a5;
  --color4: #8ec5d6;
  --color5: #b98cce;
  --front: var(--eeveefront);
}

.card:before,
.card:after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  top: 0;
  background-repeat: no-repeat;
  opacity: .5;
  mix-blend-mode: color-dodge;
  transition: all .33s ease;
}

.card:before {
  background-position: 50% 50%;
  background-size: 300% 300%;
  background-image: linear-gradient(
    115deg,
    transparent 0%,
    var(--color1) 25%,
    transparent 47%,
    transparent 53%,
    var(--color2) 75%,
    transparent 100%
  );
  opacity: .5;
  filter: brightness(.5) contrast(1);
  z-index: 1;
}

.card:after {
  opacity: 1;
  background-image: url("https://assets.codepen.io/13471/sparkles.gif"), 
    url(https://assets.codepen.io/13471/holo.png), 
    linear-gradient(125deg, #ff008450 15%, #fca40040 30%, #ffff0030 40%, #00ff8a20 60%, #00cfff40 70%, #cc4cfa50 85%);
  background-position: 50% 50%;
  background-size: 160%;
  background-blend-mode: overlay;
  z-index: 2;
  filter: brightness(1) contrast(1);
  transition: all .33s ease;
  mix-blend-mode: color-dodge;
  opacity: .75;
}

.card.active:after,
.card:hover:after {
  filter: brightness(1) contrast(1);;
  opacity: 1;
}

.card.active,
.card:hover {
  animation: none;
  transition: box-shadow 0.1s ease-out;
}

.card.active:before,
.card:hover:before {
  animation: none;
  background-image: linear-gradient(
    110deg,
    transparent 25%,
    var(--color1) 48%,
    var(--color2) 52%,
    transparent 75%
  );
  background-position: 50% 50%;
  background-size: 250% 250%;
  opacity: .88;
  filter: brightness(.66) contrast(1.33);
  transition: none;
}

.card.active:before,
.card:hover:before,
.card.active:after,
.card:hover:after {
  animation: none;
  transition: none;
}

.card.animated {
  transition: none;
  animation: holoCard 12s ease 0s 1;
  &:before { 
    transition: none;
    animation: holoGradient 12s ease 0s 1;
  }
  &:after {
    transition: none;
    animation: holoSparkle 12s ease 0s 1;
  }
}




@keyframes holoSparkle {
  0%, 100% {
    opacity: .75; background-position: 50% 50%; filter: brightness(1.2) contrast(1.25);
  }
  5%, 8% {
    opacity: 1; background-position: 40% 40%; filter: brightness(.8) contrast(1.2);
  }
  13%, 16% {
    opacity: .5; background-position: 50% 50%; filter: brightness(1.2) contrast(.8);
  }
  35%, 38% {
    opacity: 1; background-position: 60% 60%; filter: brightness(1) contrast(1);
  }
  55% {
    opacity: .33; background-position: 45% 45%; filter: brightness(1.2) contrast(1.25);
  }
}

@keyframes holoGradient {
  0%, 100% {
    opacity: 0.5;
    background-position: 50% 50%;
    filter: brightness(.5) contrast(1);
  }
  5%, 9% {
    background-position: 100% 100%;
    opacity: 1;
    filter: brightness(.75) contrast(1.25);
  }
  13%, 17% {
    background-position: 0% 0%;
    opacity: .88;
  }
  35%, 39% {
    background-position: 100% 100%;
    opacity: 1;
    filter: brightness(.5) contrast(1);
  }
  55% {
    background-position: 0% 0%;
    opacity: 1;
    filter: brightness(.75) contrast(1.25);
  }
}

@keyframes holoCard {
  0%, 100% {
    transform: rotateZ(0deg) rotateX(0deg) rotateY(0deg);
  }
  5%, 8% {
    transform: rotateZ(0deg) rotateX(6deg) rotateY(-20deg);
  }
  13%, 16% {
    transform: rotateZ(0deg) rotateX(-9deg) rotateY(32deg);
  }
  35%, 38% {
    transform: rotateZ(3deg) rotateX(12deg) rotateY(20deg);
  }
  55% {
    transform: rotateZ(-3deg) rotateX(-12deg) rotateY(-27deg);
  }
}



.card.eevee:hover {
  box-shadow: 
    0 0 30px -5px white,
    0 0 10px -2px white,
    0 55px 35px -20px rgba(0, 0, 0, 0.5);
}
.card.eevee:hover:before,
.card.eevee.active:before {
  background-image: linear-gradient(
    115deg,
    transparent 20%,
    var(--color1) 36%,
    var(--color2) 43%,
    var(--color3) 50%,
    var(--color4) 57%,
    var(--color5) 64%,
    transparent 80%
  );
}




.demo .card {
  background-image: var(--back);
  font-size: 2vh
}
.demo .card > span {
  position: relative;
  top: 45%;
}

.demo .card:nth-of-type(1),
.demo .card:nth-of-type(2),
.demo .card:nth-of-type(3) {
  width: 20vh;
  height: 27.5vh;
  box-shadow: inset 0 0 0 1px rgba(white,0.4), 0 25px 15px -10px rgba(0, 0, 0, 0.5);
  animation: none;
}

.demo .card:nth-of-type(1),
.demo .card:nth-of-type(2),
.demo .card:nth-of-type(3) {
  &:before, &:after {
    animation: none;
    // opacity: 1;
  } 
}
.demo .card:nth-of-type(1) {
  &:before, &:after { display: none; }
}
.demo .card:nth-of-type(2) {
  background: none;
  &:before { display: none; }
}
.demo .card:nth-of-type(3) {
  background: none;
  &:after { display: none; }
}

.operator {
  display: inline-block;
  vertical-align: middle;
  font-size: 6vh;
}






html, body {
  height: 100%;
  background-color: #333844;
  padding: 0;
  z-index: 1;
  transform: translate3d(0,0,0.1px);
}
body {
  color: white;
  background-color: #333844;
  font-family: "Heebo", sans-serif;
  text-align: center;
}
h1 {
  display: block;
  margin: 30px 0;
}
p {
  margin-top: 5px;
  font-weight: 200;
}
#app {
  position: relative;
}

.demo,
.cards { 
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-evenly;
  perspective: 2000px;
  position: relative;
  z-index: 1;
  transform: translate3d(0.1px, 0.1px, 0.1px )
}
.demo {
  flex-direction: row;
  justify-content: center;
}

@media screen and (min-width: 600px) {
  .cards {
    flex-direction: row;
  }
}






.cards .card {
  &:nth-child(2) {
    &, &:before, &:after {
      animation-delay: 0.25s;
    }
  }
  &:nth-child(3) {
    &, &:before, &:after {
      animation-delay: 0.5s;
    }
  }
  &:nth-child(4) {
    &, &:before, &:after {
      animation-delay: 0.75s;
    }
  }
}


p {
  font-weight: 400;
  font-size: 18px;
  padding: 1em;
  background: rgba(0,0,0,0.3);
  margin-top: 0;
}

p.bottom {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  margin-bottom: 0;
}
p a {
  color: cyan;
}

html,body,main {
  min-height: 100%;
}
              
            
!

JS

              
                /*

  using 
    - an animated gif of sparkles.
    - an animated gradient as a holo effect.
    - color-dodge mix blend mode
  
*/
var x;
var $cards = $(".card");
var $style = $(".hover");

$cards
  .on("mousemove touchmove", function(e) { 
    // normalise touch/mouse
    var pos = [e.offsetX,e.offsetY];
    e.preventDefault();
    if ( e.type === "touchmove" ) {
      pos = [ e.touches[0].clientX, e.touches[0].clientY ];
    }
    var $card = $(this);
    // math for mouse position
    var l = pos[0];
    var t = pos[1];
    var h = $card.height();
    var w = $card.width();
    var px = Math.abs(Math.floor(100 / w * l)-100);
    var py = Math.abs(Math.floor(100 / h * t)-100);
    var pa = (50-px)+(50-py);
    // math for gradient / background positions
    var lp = (50+(px - 50)/1.5);
    var tp = (50+(py - 50)/1.5);
    var px_spark = (50+(px - 50)/7);
    var py_spark = (50+(py - 50)/7);
    var p_opc = 20+(Math.abs(pa)*1.5);
    var ty = ((tp - 50)/2) * -1;
    var tx = ((lp - 50)/1.5) * .5;
    // css to apply for active card
    var grad_pos = `background-position: ${lp}% ${tp}%;`
    var sprk_pos = `background-position: ${px_spark}% ${py_spark}%;`
    var opc = `opacity: ${p_opc/100};`
    var tf = `transform: rotateX(${ty}deg) rotateY(${tx}deg)`
    // need to use a <style> tag for psuedo elements
    var style = `
      .card:hover:before { ${grad_pos} }  /* gradient */
      .card:hover:after { ${sprk_pos} ${opc} }   /* sparkles */ 
    `
    // set / apply css class and style
    $cards.removeClass("active");
    $card.removeClass("animated");
    $card.attr( "style", tf );
    $style.html(style);
    if ( e.type === "touchmove" ) {
      return false; 
    }
    clearTimeout(x);
  }).on("mouseout touchend touchcancel", function() {
    // remove css, apply custom animation on end
    var $card = $(this);
    $style.html("");
    $card.removeAttr("style");
    x = setTimeout(function() {
      $card.addClass("animated");
    },2500);
  });
              
            
!
999px

Console