SOURCE

<div class="container"> 
  <a class="btn-0" href="#">滑动</a>
  <a class="btn-1" href="#">斜向滑动</a>
  <a class="btn-1-2" href="#">两侧滑动</a>
</div>

body {
  text-align: center;
  background-color: #eeeeee;
}
.container *,
.container *:before,
.container *:after {
  box-sizing: border-box;
  transition: 0.5s ease-in-out;
}
.container *:before,
.container *:after {
  z-index: -1;
}
a {
  text-decoration: none;
  line-height: 80px;
  color: black;
}
[class^="btn-"] {
  position: relative;
  display: block;
  width: 100%;
  max-width: 250px;
  height: 80px;
  margin: 2rem auto;
  text-transform: uppercase;
  overflow: hidden;
  border: 1px solid currentColor;
  background-color: transparent;
}
.btn-0 {
  color: #44c33c;
}
.btn-0:before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background-color: #156e10;
  transform: translateX(-100%);
}
.btn-0:hover {
  color: #c8edc6;
}
.btn-0:hover:before {
  transform: translateX(0);
}
.btn-1 {
  color: #7937a5;
}
.btn-1:before {
  content: '';
  position: absolute;
  top: 0;
  right: -50px;
  bottom: 0;
  left: 0;
  border-right: 50px solid transparent;
  border-bottom: 80px solid #3a0c59;
  transform: translateX(-100%);
}
.btn-1:hover {
  color: #d8c4e5;
}
.btn-1:hover:before {
  transform: translateX(0);
}
.btn-1-2 {
  color: #5e85b4;
}
.btn-1-2:before, .btn-1-2:after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  border-bottom: 80px solid #274364;
}
.btn-1-2:before {
  right: -50px;
  border-right: 50px solid transparent;
  transform: translateX(-100%);
}
.btn-1-2:after {
  left: -50px;
  border-left: 50px solid transparent;
  transform: translateX(100%);
}
.btn-1-2:hover {
  color: #d0dbe9;
}
.btn-1-2:hover:before {
  transform: translateX(-40%);
}
.btn-1-2:hover:after {
  transform: translateX(40%);
}