页面背景气泡动画

最新推荐文章于 2022-04-04 14:28:32 发布

转载最新推荐文章于 2022-04-04 14:28:32 发布 · 194 阅读

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CC 4.0 BY-SA版权

原文链接：https://my.oschina.net/shuaihong/blog/1626023

文章标签：

#python

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<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>气泡效果</title>
	<style>
		.bg-bubbles {
	    position: absolute;
	    /*使气泡背景充满整个屏幕*/
	    top: 0;
	    left: 0;
	    width: 100%;
	    height: 100%;
			margin: 0;
			padding: 0;
	    background: linear-gradient(90deg,#1fbba4,#02eaa7);
    }
    li {
      position: absolute;
      /*bottom 的设置是为了营造出气泡从页面底部冒出的效果；*/
      bottom: -160px;
      /*默认的气泡大小；*/
      width: 40px;
      height: 40px;
      background-color: rgba(255, 255, 255, 0.15);
      list-style: none;
			/*使用自定义动画使气泡渐现、上升和翻滚；*/
      animation: square 15s infinite;
      transition-timing-function: linear;
	  }
	  /*分别设置每个气泡不同的位置、大小、透明度和速度，以显得有层次感；*/
	  li:nth-child(1) {
	    left: 10%;
	  }
	  li:nth-child(2) {
	    left: 20%;
	    width: 90px;
	    height: 90px;
	    animation-delay: 2s;
	    animation-duration: 7s;
	  }
	  li:nth-child(3) {
	    left: 25%;
	    animation-delay: 4s;
	  }
	  li:nth-child(4) {
	    left: 40%;
	    width: 60px;
	    height: 60px;
	    animation-duration: 8s;
	    background-color: rgba(255, 255, 255, 0.3);
	  }
	  li:nth-child(5) {
	    left: 70%;
	  }
	  li:nth-child(6) {
	    left: 80%;
	    width: 120px;
	    height: 120px;
	    animation-delay: 3s;
	    background-color: rgba(255, 255, 255, 0.2);
	  }
	  li:nth-child(7) {
	    left: 32%;
	    width: 160px;
	    height: 160px;
	    animation-delay: 2s;
	  }
	  li:nth-child(8) {
	    left: 55%;
	    width: 20px;
	    height: 20px;
	    animation-delay: 4s;
	    animation-duration: 15s;
	  }
	  li:nth-child(9) {
	    left: 25%;
	    width: 10px;
	    height: 10px;
	    animation-delay: 2s;
	    animation-duration: 12s;
	    background-color: rgba(255, 255, 255, 0.3);
	  }
	  li:nth-child(10) {
	    left: 85%;
	    width: 160px;
	    height: 160px;
	    animation-delay: 5s;
	  }
	   /* 自定义 square 动画；*/
    @keyframes square {
      0% {
        opacity: 0.5;
        transform: translateY(0px) rotate(45deg);
      }
      25% {
        opacity: 0.75;
        transform: translateY(-400px) rotate(90deg)
      }
      50% {
        opacity: 1;
        transform: translateY(-600px) rotate(135deg);
      }
      100% {
        opacity: 0;
        transform: translateY(-1000px) rotate(180deg);
      }
    }
	</style>
</head>
<body>
	<ul class="bg-bubbles">
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
	</ul>
</body>
</html>

效果图：输入图片说明