css实现dna旋转动画效果代码-html代码-BFW代码库

css实现dna旋转动画效果代码

代码语言：html

所属分类：动画

代码描述：css实现dna旋转动画效果代码

下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开


<!DOCTYPE html>
<html lang="en" >

<head>

  <meta charset="UTF-8">
  

  
  
<style>
html, body {
  width: 100%;
  height: 100%;
  background-color: #292929;
  padding-top: 50px;
}

*, *:before, *:after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

.strain {
  width: 155px;
  height: 1px;
  background-color: #dbdbdb;
  position: relative;
  margin: 0px auto;
  margin-top: 28px;
  margin-bottom: 28px;
  -webkit-animation-name: rotate-strain;
          animation-name: rotate-strain;
  -webkit-animation-duration: 1.7s;
          animation-duration: 1.7s;
  -webkit-animation-timing-function: linear;
          animation-timing-function: linear;
  -webkit-animation-iteration-count: infinite;
          animation-iteration-count: infinite;
  -webkit-animation-play-state: running;
          animation-play-state: running;
}
.strain:before {
  content: "";
  display: block;
  position: absolute;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background-color: #13b6e2;
  left: 0;
  margin-top: -9px;
  margin-left: -9px;
  -webkit-animation-name: strain-size-left;
          animation-name: strain-size-left;
  -webkit-animation-duration: 1.7s;
          animation-duration: 1.7s;
  -webkit-animation-timing-function: linear;
          animation-timing-function: linear;
  -webkit-animation-iteration-count: infinite;
          animation-iteration-count: infinite;
  -webkit-animation-play-state: running;
          animation-play-state: running;
}
.strain:after {
  content: "";
  display: block;
  position: absolute;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background-color: #13b6e2;
  right: 0;
  margin-top: -9px;
  margin-right: -9px;
  -webkit-animation-name: strain-size-right;
          animation-name: strain-size-right;
  -webkit-animation-duration: 1.7s;
          animation-duration: 1.7s;
  -webkit-animation-timing-function: linear;
          animation-timing-function: linear;
  -webkit-animation-iteration-count: infinite;
          animation-iteration-count: infinite;
  -webkit-animation-play-state: running;
          animation-play-state: running;
}
.strain:nth-child(1), .strain:nth-child(1):before, .strain:nth-child(1):after {
  -webkit-animation-delay: 0.15s;
          animation-delay: 0.15s;
}
.strain:nth-child(2), .strain:nth-child(2):before, .strain:nth-child(2):after {
  -webkit-animation-delay: 0.3s;
          animation-delay: 0.3s;
}
.strain:nth-child(3), .strain:nth-child(3):before, .strain:nth-child(3):after {
  -webkit-animation-delay: 0.45s;
          animation-delay: 0.45s;
}
.strain:nth-child(4), .strain:nth-child(4):before, .strain:nth-child(4):after {
  -webkit-animation-delay: 0.6s;
          animation-delay: 0.6s;
}
.strain:nth-child(5), .strain:nth-child(5):before, .strain:nth-child(5):after {
  -webkit-animation-delay: 0.75s;
          animation-delay: 0.75s;
}
.strain:nth-child(6), .strain:nth-child(6):before, .strain:nth-child(6):after {
  -webkit-animation-delay: 0.9s;
          animation-delay: 0.9s;
}
.strain:nth-child(7), .strain:nth-child(7):before, .strain:nth-child(7):after {
  -webkit-animation-delay: 1.05s;
          animation-delay: 1.05s;
}
.strain:nth-child(8), .strain:nth-child(8):before, .strain:nth-child(8):after {
  -webkit-animation-delay: 1.2s;
          animation-delay: 1.2s;
}
.strain:nth-child(9), .strain:nth-child(9):before, .strain:nth-child(9):after {
  -webkit-animation-delay: 1.35s;
          animation-delay: 1.35s;
}
.strain:nth-child(10), .strain:nth-child(10):before, .strain:nth-child(10).........完整代码请登录后点击上方下载按钮下载查看