纯css3黑色炫酷开关按钮动画效果

这个css3开关按钮效果模拟了现实生活中的开关按钮。整个代码使用纯css3完成，并且带有开关按下时的动画效果。

HTML

html结构非常简单，是用一个input来作为开关的主体。

<label class="button">
  <input type="checkbox">
  <span></span>
  <span></span>
</label>
              

基本CSS样式

.button {
  display: block;
  width: 400px;
  height: 120px;
  position: absolute;
  top: 50%;
  left: 50%;
  -webkit-transform: translate(-50%, -50%);
      -ms-transform: translate(-50%, -50%);
          transform: translate(-50%, -50%);
  background-color: #000000;
  box-shadow: 0 -1px 0 rgba(255, 255, 255, 0.2) inset;
  border-radius: 20px;
  overflow: hidden;
  cursor: pointer;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}
.button span {
  display: block;
  position: absolute;
  top: 6px;
  width: 194px;
  height: 108px;
  background-color: #1c1d1f;
  -webkit-transition: -webkit-transform 300ms ease, box-shadow 300ms ease;
          transition: transform 300ms ease, box-shadow 300ms ease;
}
.button span:before {
  position: absolute;
  top: 50%;
  left: 50%;
  -webkit-transform: translate(-50%, -50%);
      -ms-transform: translate(-50%, -50%);
          transform: translate(-50%, -50%);
  font-family: "Open Sans";
  font-weight: 800;
  font-size: 48px;
  -webkit-transition: text-shadow 800ms ease 100ms, color 800ms ease 100ms;
          transition: text-shadow 800ms ease 100ms, color 800ms ease 100ms;
}
.button span:after {
  content: "";
  width: 4px;
  height: 108px;
  position: absolute;
  top: 0;
  background: -webkit-radial-gradient(center, ellipse, rgba(255, 255, 255, 0.5) 0%, transparent 50%);
  background: radial-gradient(ellipse at center, rgba(255, 255, 255, 0.5) 0%, transparent 50%);
  -webkit-transition: opacity 300ms ease;
          transition: opacity 300ms ease;
}
              

动画部分css请参考下载文件中的代码。