css实现黑云压顶背景动画效果代码-html代码-BFW代码库

css实现黑云压顶背景动画效果代码

代码语言：html

所属分类：动画

代码描述：css实现黑云压顶背景动画效果代码

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>

@import url(https://fonts.googleapis.com/css?family=Oswald);
@keyframes clouds-loop-1 {
  to {
    background-position: -1000px 0;
  }
}
.clouds-1 {
  background-image: url("//repo.bfw.wiki/bfwrepo/image/609623ec8fbc0.png");
  animation: clouds-loop-1 20s infinite linear;
}

@keyframes clouds-loop-2 {
  to {
    background-position: -1000px 0;
  }
}
.clouds-2 {
  background-image: url("//repo.bfw.wiki/bfwrepo/image/609623de7c82c.png");
  animation: clouds-loop-2 15s infinite linear;
}

@keyframes clouds-loop-3 {
  to {
    background-position: -1579px 0;
  }
}
.clouds-3 {
  background-image: url("//repo.bfw.wiki/bfwrepo/image/609623f42aaf6.png");
  animation: clouds-loop-3 17s infinite linear;
}

html, body {
  font-family: sans-serif;
  height: 100%;
  padding: 0;
  margin: 0;
}

body {
  background: url('data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0idXRmLTgiPz4gPHN2ZyB2ZXJzaW9uPSIxLjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyI+PGRlZnM+PGxpbmVhckdyYWRpZW50IGlkPSJncmFkIiBncmFkaWVudFVuaXRzPSJvYmplY3RCb3VuZGluZ0JveCIgeDE9IjAuNSIgeTE9IjAuMCIgeDI9IjAuNSIgeTI9IjEuMCI+PHN0b3Agb2Zmc2V0PSIwJSIgc3RvcC1jb2xvcj0iIzMzMzMzMyIvPjxzdG9wIG9mZnNldD0iMTAwJSIgc3RvcC1jb2xvcj0iIzAwMDAwMCIvPjwvbGluZWFyR3JhZGllbnQ+PC9kZWZzPjxyZWN0IHg9IjAiIHk9IjAiIHdpZHRoPSIxMDAlIiBoZWlnaHQ9IjEwMCUiIGZpbGw9InVybCgjZ3JhZCkiIC8+PC9zdmc+IA==');
  background: -webkit-gradient(linear, 50% 0%, 50% 100%, color-stop(0%, #333333), color-stop(100%, #000000));
  background: -moz-linear-gradient(#333333, #000000);
  background: -webkit-linear-gradient(#333333, #000000);
  background: linear-gradient(#333333, #000000);
}
body, .........完整代码请登录后点击上方下载按钮下载查看