<a href="http://www.webqdkf.com" class="btn">鼠标来点一下<span><ion-icon name="arrow-forward-outline"></ion-icon></span></a>
<script type="module" src="https://unpkg.com/ionicons@5.5.2/dist/ionicons/ionicons.esm.js"></script>
<script nomodule src="https://unpkg.com/ionicons@5.5.2/dist/ionicons/ionicons.js"></script>

*
{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Poppins', sans-serif;
}
body 
{
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: #28272a;
}
.btn 
{
  position: relative;
  width: 200px;
  height: 60px;
  background: rgba(255,255,255,0.1);
  border-radius: 60px;
  display: flex;
  justify-content: center;
  align-items: center;
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  letter-spacing: 2px;
  border-top: 0.5px solid rgba(255,255,255,0.35);
  border-left: 0.5px solid rgba(255,255,255,0.35);
  padding-left: 40px;
  transition: 0.5s;
  overflow: hidden;
}
.btn:hover 
{
  padding-left: 0px;
  padding-right: 40px;
  color: rgba(255,255,255,1);
}
.btn span 
{
  position: absolute;
  left: 5px;
  width: 50px;
  height: 50px;
  background: #04fe4d;
  border-radius: 50%;
  transition: 0.5s ease-in-out;
  display: flex;
  justify-content: center;
  align-items: center;
  color: #1a191d;
  font-size: 1.5em;
}
.btn:hover span 
{
  left: calc(100% - 55px);
}
.btn:after 
{
  content: '';
  position: absolute;
  width: 80px;
  height: 100%;
  z-index: 1;
  background: rgba(255,255,255,0.25);
  transform: translateX(-170px) skewX(30deg);
  transition: 0.75s ease-in-out;
}
.btn:hover:after 
{
  transform: translateX(170px) skewX(30deg);
}