css实现美丽的背景渐变效果代码-html代码-BFW代码库

css实现美丽的背景渐变效果代码

代码语言：html

代码描述：css实现美丽的背景渐变效果代码

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>
* {
  box-sizing: border-box;
}

body, html {
  position: relative;
  width: 100%;
  height: 100%;
}

ul {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  position: relative;
}

li {
  display: inline-block;
  height: 100%;
  width: 25%;
  border-right: 1px solid white;
  cursor: pointer;
  position: absolute;
  top: 0;
  transition: .3s width .2s, left .2s, 100ms z-index .6s;
}
li:nth-child(2) {
  left: 25%;
}
li:nth-child(3) {
  left: 50%;
}
li:nth-child(4) {
  left: 75%;
}
li.active {
  width: 100%;
  z-index: 1;
  transition: .3s width .2s, left .2s;
  border-right: none;
  left: 0;
}
li:before {
  content: "Click to Expand";
  display: block;
  width: 100%;
  height: 100%;
  font-weight: bold;
  background-color: rgba(255, 255, 255, 0.2);
  text-align: center;
  padding-top: 40%;
  color: white;
  position: absolute;
  top: 1;
  left: 1;
  transition: 200ms opacity;
  opacity: 0;
}
li:hover:before {
  opacity: 1;
}
li:hover.active:hover:before {
  display: none;
}

div {
  background: -webkit-radial-gradient(closest-corner, rgba(16, 47, 70, 0) 60%, rgba(16, 47, 70, 0.2)), -webkit-linear-gradient(108deg, #e5e9bf 10%, #00396f 90%);
  width: 100%;
  height: 100%;
  transition: 1s width;
}
li:nth-child(2) div {
  background: -webkit-radial-gradient(closest-corner, rgba(16, 47, 70, 0) 60%, rgba(16, 47,.........完整代码请登录后点击上方下载按钮下载查看