.stack {
  display: grid;
  grid: [stack] / [stack];
  perspective: 5000
}

.stack:before {
    content: "";
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: rgb(240, 240, 240);
    transition: background 2s ease;
    pointer-events: none;
  }

.stack:hover:before, .stack:active:before {
      background: rgb(37, 37, 37);
    }

.stack:hover .card, .stack:active .card {
    --bg-opacity: 5%;
    transition-duration: 2s;
    transition-timing-function: var(--easeInOutCirc);
    transform: 
      rotateX(45deg) rotate(45deg) 
      translateZ(var(--z-offset)) translateY(20vh) translateX(20vh)
    
  }

.stack:hover .card:nth-child(1), .stack:active .card:nth-child(1) { --z-offset: 75vh; }

.stack:hover .card:nth-child(2), .stack:active .card:nth-child(2) { --z-offset: 50vh; }

.stack:hover .card:nth-child(3), .stack:active .card:nth-child(3) { --z-offset: 25vh; }

.stack:hover .card:nth-child(4), .stack:active .card:nth-child(4) { --z-offset: 0vh; }

.stack:hover .card:nth-child(5), .stack:active .card:nth-child(5) { --z-offset: -25vh; }

.stack:hover .card:nth-child(1)::after, .stack:active .card:nth-child(1)::after { transition-delay: 1.5s; }

.stack:hover .card:nth-child(2)::after, .stack:active .card:nth-child(2)::after { transition-delay: 1.7s; }

.stack:hover .card:nth-child(3)::after, .stack:active .card:nth-child(3)::after { transition-delay: 1.9s; }

.stack:hover .card:nth-child(4)::after, .stack:active .card:nth-child(4)::after { transition-delay: 2.1s; }

.stack:hover .card:nth-child(5)::after, .stack:active .card:nth-child(5)::after { transition-delay: 2.3s; }

.stack:hover .card::after, .stack:active .card::after {
      opacity: 1;
      transform: rotate(-45deg) rotateY(45deg) translateX(0px);
    }

.stack:hover .card.content, .stack:active .card.content {
      background: transparent;
      color: white;
      border-color: transparent;
      transition: 
        border-color 1s var(--easeInOutCirc) 0s,
        background-color 1s var(--easeInOutCirc) 0s,
        color 1s var(--easeInOutCirc) 0s,
        transform 2s var(--easeInOutCirc) 0s;
    }

.stack:hover .card.padding, .stack:active .card.padding {
      transition-delay: .1s;
    }

.stack:hover .card.border, .stack:active .card.border {
      transition-delay: .2s;
    }

.stack:hover .card.background, .stack:active .card.background {
      background: white;
      transition: 
        background-color 2s var(--easeInOutCirc) .3s, 
        transform 2s var(--easeInOutCirc) .2s;
    }

.stack:hover .card.box-shadow, .stack:active .card.box-shadow {
      transition-delay: .4s;
      box-shadow:
        0 -1px 25px rgba(0, 0, 0, 0.4),
        0 7.6px 6.1px rgba(0, 0, 0, 0.051),
        0 14.3px 11.5px rgba(0, 0, 0, 0.059),
        0 25.5px 20.5px rgba(0, 0, 0, 0.07),
        0 47.6px 38.4px rgba(0, 0, 0, 0.094),
        0 114px 92px rgba(0, 0, 0, 0.19)
      ;
    }

.card {
  grid-area: stack;
  
  --z-offset: 0;
  --easeInOutCirc: cubic-bezier(0.85, 0, 0.15, 1);
  --bg-opacity: 0%;
  
  transition: transform 4s ease;
  
  width: 40vmin;
  height: 40vmin;
  box-sizing: border-box;
  color: white;
  box-siing: border-box;
  background: rgba(255, 255, 254, 0.05);
  position: relative
}

@media (orientation: landscape) {

.card {
    width: 40vh;
    height: 40vh
}
  }

@media (max-width: 540px) {

.card {
    width: 60vw;
    height: 60vw
}
  }

.card:nth-child(1) {
    z-index: 3;
  }

.card:nth-child(2) {
    z-index: 2;
  }

.card::after {
    content: "Box";
    position: absolute;
    left: -45%;
    top: 110%;
    font-size: 1.25rem;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.75);
    white-space: nowrap;
    padding: 1ch 2ch;
    border-radius: 4ch;
    opacity: 0;
    transition: opacity .5s ease 0s, transform .5s ease;
    transform: rotate(-45deg) rotateY(45deg) translateX(20px);
    background: rgba(0, 0, 0, 0.7)
  }

@media (max-width: 540px) {

.card::after {
      left: -20%;
      top: 70%
  }
    }

.card.content {
    z-index: 5;
    transition: 
      border-color 4s ease,
      background-color 5s ease 2s,
      color 4s ease 0s,
      transform 4s ease 0s;
    padding: 5vmin;
    font-size: max(2.5vmin, .9rem);
    line-height: 1.5;
    background: rgb(255, 255, 254);
    border: 5px solid hotpink;
    color: black
  }

.card.content::after { 
      content: "Content Box"; 
      left: -50%
    }

@media (max-width: 540px) {

.card.content::after {
        left: -23%
    }
      }

.card.padding {
    background: transparent;
    z-index: 4;
    transition-delay: .1s
  }

.card.padding::after { content: "Padding Box"; }

.card.padding::before {
      content: "";
      position: absolute;
      top: 0;
      right: 0;
      bottom: 0;
      left: 0;
      -webkit-clip-path: polygon(
        0% 0%, 0% 100%, 
        5vmin 100%, 5vmin 5vmin, 
        calc(100% - 5vmin) 5vmin, 
        calc(100% - 5vmin) calc(100% - 5vmin), 
        5vmin calc(100% - 5vmin), 5vmin 100%, 
        100% 100%, 100% 0%
      );
              clip-path: polygon(
        0% 0%, 0% 100%, 
        5vmin 100%, 5vmin 5vmin, 
        calc(100% - 5vmin) 5vmin, 
        calc(100% - 5vmin) calc(100% - 5vmin), 
        5vmin calc(100% - 5vmin), 5vmin 100%, 
        100% 100%, 100% 0%
      );
      background: repeating-linear-gradient(
        -45deg, 
        cyan, cyan 1px, 
        rgba(255, 255, 254, 0.05) 1px, rgba(255, 255, 254, 0.05) 10px
      );
    }

.card.border {
    z-index: 3;
    background: transparent;
    transition-delay: .2s
  }

.card.border::after { content: "Border Box"; }

.card.border::before {
      content: "";
      position: absolute;
      top: 0;
      right: 0;
      bottom: 0;
      left: 0;
      -webkit-clip-path: polygon(
        0% 0%, 0% 100%, 
        5px 100%, 5px 5px, 
        calc(100% - 5px) 5px, 
        calc(100% - 5px) calc(100% - 5px), 
        5px calc(100% - 5px), 5px 100%, 
        100% 100%, 100% 0%
      );
              clip-path: polygon(
        0% 0%, 0% 100%, 
        5px 100%, 5px 5px, 
        calc(100% - 5px) 5px, 
        calc(100% - 5px) calc(100% - 5px), 
        5px calc(100% - 5px), 5px 100%, 
        100% 100%, 100% 0%
      );
      background: linear-gradient(hotpink, hotpink);
    }

.card.background {
    z-index: 2;
    transition: 
      background-color 4s ease .3s,
      transform 4s ease .3s
  }

.card.background::after { content: "Background Box"; }

.card.box-shadow {
    z-index: 1;
    background: transparent;
    transition: 
      box-shadow 4s ease .4s,
      transform 4s ease .4s; 
    
    box-shadow:
      0 2.8px 2.2px rgba(0, 0, 0, 0.02),
      0 6.7px 5.3px rgba(0, 0, 0, 0.028),
      0 12.5px 10px rgba(0, 0, 0, 0.035),
      0 22.3px 17.9px rgba(0, 0, 0, 0.042),
      0 41.8px 33.4px rgba(0, 0, 0, 0.05),
      0 100px 80px rgba(0, 0, 0, 0.07)
    
  }

.card.box-shadow::after { content: "Shadow Box"; }

body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, sans-serif;
  background: rgb(70, 70, 70);
}

p:first-of-type {
  margin-top: 0;
}

@media (hover:hover) {
  #mobile-prompt {
    display: none;
  }
} 

@media (hover:none) {
  #desktop-prompt {
    display: none;
  }
}