<a href=#><span>Button</span></a>

body {
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background-color: #747;
}

a {
  position: relative;
  padding: 20px 40px;
  background-color: #056;
  color: #fff;
  font-family: sans-serif;
  text-decoration: none;
  letter-spacing: 4px;
  transform-style: preserve-3d;
  border-radius: 60px;
  transition: ease-in-out 1s;
}

a:hover {
  transform: rotateX(360deg);
}

a span {
  display: block;
  font-weight: bold;
  transform-style: preserve-3d;
  transform: perspective(100px) translateZ(20px);
}

a::before {
  content: '';
  position: absolute;
  top: 4px;
  left: 6px;
  right: 6px;
  bottom: 4px;
  border: 2px solid #fff;
  border-radius: 60px;
  transform-style: preserve-3d;
  transform: perspective(700px) translateZ(20px);
}

a::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  right: 2px;
  bottom: 2px;
  border: 2px solid #fff;
  border-radius: 60px;
  transform-style: preserve-3d;
  transform: perspective(700px) translateZ(-20px);
}