单个div+css实现交通信号灯红绿灯交替动画效果代码-html代码-BFW代码库

单个div+css实现交通信号灯红绿灯交替动画效果代码

代码语言：html

所属分类：动画

代码描述：单个div+css实现交通信号灯红绿灯交替动画效果代码

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>
        body {
          width: 100%;
          height: 100vh;
          display: grid;
          place-items: center;
          background: #393870;
        }
        body div {
          width: 100px;
          height: 265px;
          position: relative;
          background: linear-gradient(#333333 75px, #333333 75px, transparent 75px, transparent 85px, #333333 85px, #333333 160px, transparent 160px, transparent 170px, #333333 170px) 10px 10px/80px 245px, linear-gradient(#212121, #212121) 0 0/100% 100%;
          background-repeat: no-repeat;
          border-radius: 8px;
        }
        body div::before {
          content: "";
          position: absolute;
          width: 5px;
          height: 5px;
          background-color: #212121;
          border-radius: 50%;
          top: 17.5px;
          left: 20px;
          box-shadow: 27.5px 27.5px 0px 20px #f20d0d, 27.5px 27.5px 0px 25px #c20a0a, 27.5px 110px 0px 20px #f2f20d, 27.5px 110px 0px 25px #c2c20a, 27.5px 195px 0px 20px #0df20d, 27.5px 195px 0px 25px #0ac20a, 0px 225px #212121, 55px 225px #212121, 55px 170px #212121, 0px 170px #212121, 0px 140px #212121, 55px 140px #212121, 55px 85px #212121, 0px 85px #212121, 55px 0px #212121, 55px 55px #212121, 0px 55px #212121;
          -webkit-animation: signal 2s infinite linear;
                  animation: signal 2s infinite linear;
        }
        @-webkit-keyframes signal {
          0% {
            box-shadow: 27.5px 27.5px 0px 20px #f20d0d, 27.5px 27.5px 0px 25px #c20a0a, 27.5px 110px 0px 20px #f2f20d, 27.5px 110px 0px 25px #c2c20a, 27.5px 195px 0px 20px #0df20d, 27.5px 195px 0px 25px #0ac20a, 0px 225px #212121, 55px 225px #212121, 55px 170px #212121, 0px 170px #212121, 0px 140px #212121, 55px 140px #212121, 55px 85px #212121, 0px 85px #212121, 55px 0px #212121, 55px 55px #212121, 0px 55px #212121;
          }
          100%.........完整代码请登录后点击上方下载按钮下载查看