<h2>动画按钮</h2>

​

<button class="button"><span>访问 </span></button>

.button {

  border-radius: 4px;

  background-color: #f4511e;

  border: none;

  color: #FFFFFF;

  text-align: center;

  font-size: 28px;

  padding: 20px;

  width: 200px;

  transition: all 0.5s;

  cursor: pointer;

  margin: 5px;

}

​

.button span {

  cursor: pointer;

  display: inline-block;

  position: relative;

  transition: 0.5s;

}

​

.button span:after {

  content: '»';

  position: absolute;

  opacity: 0;

  top: 0;

  right: -20px;

  transition: 0.5s;

}

​

.button:hover span {

  padding-right: 25px;

}

​

.button:hover span:after {

  opacity: 1;

  right: 0;

}