css实现一个黑色无底洞穿越动画效果代码-html代码-BFW代码库

css实现一个黑色无底洞穿越动画效果代码

代码语言：html

所属分类：动画

代码描述：css实现一个黑色无底洞穿越动画效果代码

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 {
          overflow: hidden;
          background: #111;
        }
        
        .hole {
          position: absolute;
          top: 50%;
          left: 50%;
          z-index: 2;
        }
        
        i {
          display: block;
          position: absolute;
          width: 140px;
          height: 140px;
          left: -70px;
          top: -70px;
          border-radius: 140px;
          opacity: 0;
          animation-name: scale;
          animation-duration: 3s;
          animation-iteration-count: infinite;
          animation-timing-function: linear;
        }
        
        i:nth-child(1) {
          animation-delay: 0.3s;
        }
        
        i:nth-child(2) {
          animation-delay: 0.6s;
        }
        
        i:nth-child(3) {
          animation-delay: 0.9s;
        }
        
        i:nth-child(4) {
          animation-delay: 1.2s;
        }
        
        i:nth-child(5) {
          animation-delay: 1.5s;
        }
        
        i:nth-child(6) {
          animation-delay: 1.8s;
        }
        
        i:n.........完整代码请登录后点击上方下载按钮下载查看