body {
  background-color: #1e1f26;
}
body .folder {
  cursor: pointer;
  position: absolute;
  top: 50%;
  left: 50%;
  margin-right: -50%;
  transform: translate(-50%, -50%);
  background-color: #FFD485;
  width: 200px;
  height: 150px;
  border-radius: 10px;
}
body .folder:before {
  width: 55px;
  height: 25px;
  border-radius: 5px;
  content: '';
  background-color: #FFD485;
  position: absolute;
  top: -10px;
  left: 0px;
}
body .folder:after {
  display: block;
  width: 200px;
  height: 150px;
  border-radius: 10px;
  content: '';
  transform: skew(0deg);
  background-color: #ffe1a8;
  transition: all .2s;
}
body .folder .paper {
  position: absolute;
  top: 50%;
  left: 50%;
  margin-right: -50%;
  transform: translate(-50%, -50%);
  background-color: whitesmoke;
  width: 190px;
  height: 140px;
  transition: all .2s;
}
body .folder .paper.one {
  background-color: #ffadad;
}
body .folder .paper.two {
  background-color: #ffd6a5;
}
body .folder .paper.three {
  background-color: #fdffb6;
}
body .folder .paper.four {
  background-color: #9bf6ff;
}
body .folder:hover:after {
  transform: skew(-20deg);
  margin-left: 25px;
}
body .folder:hover .paper:nth-child(1) {
  transform: rotate(10deg) translate(-80px, -80px);
}
body .folder:hover .paper:nth-child(2) {
  transform: rotate(20deg) translate(-80px, -80px);
}
body .folder:hover .paper:nth-child(3) {
  transform: rotate(30deg) translate(-80px, -80px);
}
body .folder:hover .paper:nth-child(4) {
  transform: rotate(40deg) translate(-80px, -80px);
}