css+js绘制五星红旗国庆快乐动画效果代码-html代码-BFW代码库

css+js绘制五星红旗国庆快乐动画效果代码

代码语言：html

代码描述：css+js绘制五星红旗国庆快乐动画效果代码

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>
        *{ padding:0;margin:0;list-style-type:none;}
    html, body {
      align-items: center;
      display: flex;
      flex-direction: column;
      justify-content: center;
      height: 100vh;
      margin: 0;
      padding: 0;
      width: 100vw;
      font-size: 1.5vmin;
      overflow:hidden;
    }
    
    .container {
      display: flex;
      height: 100vh;
      width: 100vw;
      flex-direction: column;
      justify-content: center;
      align-items: center;
    }
    
    .btn-container {
      position: relative;
      text-align: center;
    }
    
    .btn {
      height: 4rem;
      width: 30rem;
      background: #fff;
      border: #B31C31 solid 0.125rem;
      border-radius: 0.625rem;
      color: #39386E;
      font-size: 2rem;
      font-weight: bold;
      cursor: pointer;
      margin-top: 3rem;
    }
    
    .btn:hover {opacity: 0.6}
    
    /* Fireworks */
    @-webkit-keyframes explosion {
      from {
        width: 0;
        opacity: 0;
      }
      33% {
        width: 0px;
        opacity: 0;
      }
      34% {
        width: 0.625rem;
        opacity: 1.0;
      }
      40% {
        width: 5rem;
        opacity: 1.0;
      }
      to {
        width: 5.625rem;
        opacity: 0;
      }
    }
    
    @-moz-keyframes explosion {
      from {
        width: 0;
        opacity: 0;
      }
      33% {
        width: 0;
        opacity: 0;
      }
      34% {
        width: 0.625rem;
        opacity: 1.0;
      }
      40% {
        width: 5rem;
        opacity: 1.0;
      }
      to {
        width: 5.625rem;
 .........完整代码请登录后点击上方下载按钮下载查看