@import url(https://fonts.googleapis.com/css?family=Quattrocento+Sans);
.container {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
}
.container .btn {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  width: 420px;
  height: 60px;
  line-height: 60px;
  margin: auto;
  text-align: center;
}
.container .btn a {
  position: relative;
  display: block;
  font-size: 36px;
  color: #fff;
  font-family: "Quattrocento Sans", sans-serif;
  text-transform: uppercase;
  text-decoration: none;
  transition: all .5s ease;
}
.container .btn a::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  margin: auto;
  background: #fff;
}
.container .btn a:hover::after {
  width: 100%;
  transition: all 1.2s linear;
}
.container .btn a span {
  display: inline-block;
  margin: 0 10px;
  transition: all .5s 0s ease;
  visibility: visible;
  opacity: 1;
}
.container .btn a span:nth-child(5) {
  margin-right: 20px;
}
.container .btn a span:nth-child(6) {
  margin-left: 20px;
}
.container .btn a:hover span:nth-child(1) {
  transition: all 1s 0.1s ease;
  -webkit-transform: perspective(2000px) translateY(-10px) translateX(-49px) translateZ(-25px) rotateX(946deg) rotateY(933deg);
          transform: perspective(2000px) translateY(-10px) translateX(-49px) translateZ(-25px) rotateX(946deg) rotateY(933deg);
  visibility: hidden;
  opacity: 0;
}
.container .btn a:hover span:nth-child(2) {
  transition: all 1s 0.2s ease;
  -webkit-transform: perspective(2000px) translateY(87px) translateX(72px) translateZ(19px) rotateX(1060deg) rotateY(460deg);
          transform: perspective(2000px) translateY(87px) translateX(72px) translateZ(19px) rotateX(1060deg) rotateY(460deg);
  visibility: hidden;
  opacity: 0;
}
.container .btn a:hover span:nth-child(3) {
  transition: all 1s 0.3s ease;
  -webkit-transform: perspective(2000px) translateY(13px) translateX(78px) translateZ(-18px) rotateX(853deg) rotateY(547deg);
          transform: perspective(2000px) translateY(13px) translateX(78px) translateZ(-18px) rotateX(853deg) rotateY(547deg);
  visibility: hidden;
  opacity: 0;
}
.container .btn a:hover span:nth-child(4) {
  transition: all 1s 0.4s ease;
  -webkit-transform: perspective(2000px) translateY(-80px) translateX(59px) translateZ(16px) rotateX(1069deg) rotateY(433deg);
          transform: perspective(2000px) translateY(-80px) translateX(59px) translateZ(16px) rotateX(1069deg) rotateY(433deg);
  visibility: hidden;
  opacity: 0;
}
.container .btn a:hover span:nth-child(5) {
  transition: all 1s 0.5s ease;
  -webkit-transform: perspective(2000px) translateY(85px) translateX(94px) translateZ(21px) rotateX(480deg) rotateY(737deg);
          transform: perspective(2000px) translateY(85px) translateX(94px) translateZ(21px) rotateX(480deg) rotateY(737deg);
  visibility: hidden;
  opacity: 0;
}
.container .btn a:hover span:nth-child(6) {
  transition: all 1s 0.6s ease;
  -webkit-transform: perspective(2000px) translateY(-82px) translateX(-82px) translateZ(5px) rotateX(1044deg) rotateY(958deg);
          transform: perspective(2000px) translateY(-82px) translateX(-82px) translateZ(5px) rotateX(1044deg) rotateY(958deg);
  visibility: hidden;
  opacity: 0;
}
.container .btn a:hover span:nth-child(7) {
  transition: all 1s 0.7s ease;
  -webkit-transform: perspective(2000px) translateY(83px) translateX(-4px) translateZ(22px) rotateX(511deg) rotateY(745deg);
          transform: perspective(2000px) translateY(83px) translateX(-4px) translateZ(22px) rotateX(511deg) rotateY(745deg);
  visibility: hidden;
  opacity: 0;
}
.container .btn a:hover span:nth-child(8) {
  transition: all 1s 0.8s ease;
  -webkit-transform: perspective(2000px) translateY(-15px) translateX(0px) translateZ(67px) rotateX(468deg) rotateY(635deg);
          transform: perspective(2000px) translateY(-15px) translateX(0px) translateZ(67px) rotateX(468deg) rotateY(635deg);
  visibility: hidden;
  opacity: 0;
}
.container .btn a:hover span:nth-child(9) {
  transition: all 1s 0.9s ease;
  -webkit-transform: perspective(2000px) translateY(4px) translateX(-1px) translateZ(32px) rotateX(465deg) rotateY(762deg);
          transform: perspective(2000px) translateY(4px) translateX(-1px) translateZ(32px) rotateX(465deg) rotateY(762deg);
  visibility: hidden;
  opacity: 0;
}