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-.........完整代码请登录后点击上方下载按钮下载查看