@import url("https://fonts.googleapis.com/css?family=Raleway:400,400i,700");

* {
  margin: 0 auto;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Raleway, sans-serif;
  display: flex;
  align-items: center;  
  min-height: 100vh;

}

.card-container {
  perspective: 50em;
  
  &:nth-child(1) { --bi: linear-gradient(#81b3c7 5em, #0000 3em), linear-gradient(60deg, #0e5788, #6fb480); }
  &:nth-child(2) { --bi: linear-gradient(#dd8968 5em, #0000 3em), linear-gradient(60deg, #67f1bc, #1A237E); }
 
}

.card {
  position: relative;
  width: 320px;
  padding: 3em;
  color: #fff;
  transform: rotateY(13deg) rotateX(7deg);
  transform-style: preserve-3d;
  transition: transform 1s;
  text-align: justify;
  
  &:hover {
    transform: rotateY(-2deg) rotateX(-2deg);
  }
}

.layers {
  position: absolute;
  left: 0; top: 0;
  width: 100%; height: 100%;
  transform-style: preserve-3d;
  z-index: -1;
}

.layer {
  position: absolute;
  left: 0; top: 0;
  width: 100%; height: 100%;
  border-radius: 1em;
  background-image: var(--bi);
  transform: translateZ(var(--tz));
  box-shadow: 0 0 0.5em #000d inset;
  
  @for $i from 0 to 10 {
    &:nth-child(#{$i + 1}) {
      --tz: #{$i * -4}px;
    }
  }
  
  &:last-child {
    box-shadow: 0 0 0.5em #000d inset, 0 0 5px #000;
  }
}