本文给大家介绍几款按钮的鼠标悬停效果，是纯css实现的，鼠标移上按钮后，按钮会随之发生变化。这种效果使用非常广泛，非常多的网页都用上了这个效果，下面分享2种样式效果给大家。

Css样式一：

效果如下：

代码如下：

<button class="btn"><span>fly63 - 开发网</span></button>
<style>
.btn {
  border: none;
  display: block;
  text-align: center;
  cursor: pointer;
  text-transform: uppercase;
  outline: none;
  overflow: hidden;
  position: relative;
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  background-color: #222;
  padding: 17px 60px;
  margin: 0 auto;
  box-shadow: 0 5px 15px rgba(0,0,0,0.20);
}
.btn span {
  position: relative; 
  z-index: 1;
}
.btn:after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  height: 490%;
  width: 140%;
  background: #78c7d2;
  -webkit-transition: all .5s ease-in-out;
  transition: all .5s ease-in-out;
  -webkit-transform: translateX(-98%) translateY(-25%) rotate(45deg);
  transform: translateX(-98%) translateY(-25%) rotate(45deg);
}
.btn:hover:after {
  -webkit-transform: translateX(-9%) translateY(-25%) rotate(45deg);
  transform: translateX(-9%) translateY(-25%) rotate(45deg);
}
</style>

Css样式二：

效果如下：

代码如下：

<div id="container">
  <button class="learn-more">
    <span class="circle" aria-hidden="true">
      <span class="icon arrow"></span>
    </span>
    <span class="button-text">fly63 - 开发网</span>
  </button>
</div>
<style>
button {
  position: relative;
  display: block;
  cursor: pointer;
  outline: none;
  border: 0;
  vertical-align: middle;
  text-decoration: none;
  background: transparent;
  padding: 0;
  font-size: inherit;
  font-family: inherit;
  margin: 0 auto;
}
button.learn-more {
  width: 12rem;
  height: auto;
}
button.learn-more .circle {
  transition: all 0.45s cubic-bezier(0.65, 0, 0.076, 1);
  position: relative;
  display: block;
  margin: 0;
  width: 3rem;
  height: 3rem;
  background: #282936;
  border-radius: 1.625rem;
}
button.learn-more .circle .icon {
  transition: all 0.45s cubic-bezier(0.65, 0, 0.076, 1);
  position: absolute;
  top: 0;
  bottom: 0;
  margin: auto;
  background: #fff;
}
button.learn-more .circle .icon.arrow {
  transition: all 0.45s cubic-bezier(0.65, 0, 0.076, 1);
  left: 0.625rem;
  width: 1.125rem;
  height: 0.125rem;
  background: none;
}
button.learn-more .circle .icon.arrow::before {
  position: absolute;
  content: '';
  box-sizing: border-box;
  top: -0.25rem;
  right: 0.0625rem;
  width: 0.625rem;
  height: 0.625rem;
  border-top: 0.125rem solid #fff;
  border-right: 0.125rem solid #fff;
  transform: rotate(45deg);
}
button.learn-more .button-text {
  transition: all 0.45s cubic-bezier(0.65, 0, 0.076, 1);
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 0.75rem 0;
  margin: 0 0 0 1.85rem;
  color: #282936;
  font-weight: 700;
  line-height: 1.6;
  text-align: center;
  text-transform: uppercase;
}
button:hover .circle {
  width: 100%;
}
button:hover .circle .icon.arrow {
  background: #fff;
  transform: translate(1rem, 0);
}
button:hover .button-text {
  color: #fff;
}
</style>

链接: https://www.fly63.com/article/detial/11488