css实现背景图片滤镜模糊变色动画效果代码-html代码-BFW代码库

代码语言：html

所属分类：背景

代码描述：css实现背景图片滤镜模糊变色动画效果代码

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">
  


  

  <link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link href="https://fonts.googleapis.com/css2?family=Figtree:ital,wght@0,300..900;1,300..900&family=Major+Mono+Display&display=swap" rel="stylesheet">
<meta name="viewport" content="width=device-width, initial-scale=1">


  
  
<style>
*:not(head, script, svg, svg *),
*:not(head, script, svg, svg *)::before,
*:not(head, script, svg, svg *)::after {
  all: unset;
  box-sizing: border-box;
}

body,
html {
  overflow: hidden;
}

body {
  postion: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  margin: 0;
  background: black;
  color: white;
}

picture {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

picture img {
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
     object-fit: cover;
}

picture::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 25%;
  height: 25%;
  background-color: transparent;
  content: "";
  -webkit-animation: a 20s ease infinite;
          animation: a 20s ease infinite;
}

@-webkit-keyframes a {
  0% {
    width: 25%;
    height: 25%;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    -webkit-backdrop-filter: blur(2vmin) hue-rotate(0deg);
            backdrop-filter: blur(2vmin) hue-rotate(0deg);
  }
  12.49% {
    left: 0;
  }
  12.5% {
    width: 100%;
    left: unset;
    -webkit-backdrop-filter: blur(0vmin) hue-rotate(150deg);
            backdrop-filter: blur(0vmin) hue-rotate(150deg);
  }
  25% {
    width: 25%;
    height: 25%;
    -webkit-backdrop-filter: blur(2vmin) hue-rotate(300deg);
            backdrop-filter: blur(2vmin) hue-rotate(300deg);
  }
  37.49% {
    top: 0;
    bottom: 0;
  }
  37.5% {
    top: unset;
    height: 100%;
    -webkit-backdrop-filter: blur(0vmin) hue-rotate(150deg);
            backdrop-filter: blur(0vmin) hue-rotate(150deg);
  }
  50% {
    width: 25%;
    height: 25%;
    -webkit-backdrop-filter: blur(2vmin) hue-rotate(0deg);
            backdrop-filter: blur(2vmin) hue-rotate(0deg);
  }
  62.49% {
    left: unset;
    right: 0;
  }
  62.5% {
    right: unset;
    width: 100%;
    height: 100%;
    -webkit-backdrop-filter: blur(0vmin) hue-rotate(150deg);
            backdrop-filter: blur(0vmin) hue-rotate(150deg);
  }
  74.9% {
    top: unset;
    bottom: 0;
  }
  75% {
    width: 25%;
    height: 25%;
    top: unset;
    -webkit-backdrop-filter: blur(2vmin) hue-rotate(300deg);
            backdrop-filter: blur(2vmin) hue-rotate(300deg);
  }
  87.49% {
    top: unset;
    bottom: 0;
  }
  87.5% {
    height: 100%;
    top: 0;
    -webkit-backdrop-filter: blur(0vmin) hue-rotate(150deg);
            backdrop-filter: blur(0vmin) hue-rotate(150deg);
  }
  100% {
    width: 25%;
    height: 25%;
    top: 0;
    left: 0;
    -webkit-backdrop-filter: blur(2vmin) hue-rotate(0deg);
            backdrop-filter: blur(2vmin) hue-rotate(0deg);
  }
}

@keyframes a {
  0% {
    width: 25%;
    height: 25%;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    -webkit-backdrop-filter: blur(2vmin) hue-rotate(0deg);
            backdrop-filter: blur(2vmin) hue-rotate(0deg);
  }
  12.49% {
    left: 0;
  }
  12.5% {
    width: 100%;
    left: unset;
    -webkit-backdrop-filter: blur(0vmin) hue-rotate(150deg);
            backdrop-filter: blur(0vmin) hue-rotate(150deg);
  }
  25% {
    width: 25%;
    height: 25%;
    -webkit-backdrop-filter: blur(2vmin) hue-rotate(300deg);
            backdrop-filter: blur(2vmin) hue-rotate(300deg);
  }
  37.49% {
    top: 0;
    bottom: 0;
  }
  37.5% {
    top: unset;
    height: 100%;
    -webkit-backdrop-filter: blur(0vmin) hue-rotate(150deg);
            backdrop-filter: blur(0vmin) hue-rotate(150deg);
  }
  50% {
    width: 25%;
    height: 25%;
    -webkit-backdrop-filter: blur(2vmin) hue-rotate(0deg);
            backdrop-filter: blur(2vmin) hue-rotate(0deg);
  }
  62.49% {
    left: unset;
    right: 0;
  }
  62.5% {
    right: unset;
    width: 100%;
    height: 100%;
    -webkit-backdrop-filter: blur(0vmin) hue-rotate(150deg);
            backdrop-filter: blur(0vmin) hue-rotate(150deg);
  }
  74.9% {
    top: unset;
    bottom: 0;
  }
  75% {
    width: 25%;
    height: 25%;
    top: unset;
    -webkit-backdrop-filter: blur(2vmin) hue-rotate(300deg);
            backdrop-filter: blur(2vmin) hue-rotate(300deg);
  }
  87.49% {
    top: unset;
    bottom: 0;
  }
  87.5% {
    height: 100%;
    top: 0;
    -webkit-backdrop-filter: blur(0vmin) hue-rotate(150deg);
            backdrop-filter: blur(0vmin) hue-rotate(150deg);
  }
  100% {
    width: 25%;
    height: 25%;
    top: 0;
    left: 0;
    -webkit-backdrop-filter: blur(2vmin) hue-rotate(0deg);
            backdrop-filter: blur(2vmin) hue-rotate(0deg);
  }
}

picture::after {
  position: absolute;
  top: 0;
  left: 0;
  width: 25%;
  height: 25%;
  background-color: transparent;
  content: "";
  -webkit-animation: b 10s ease infinite;
          animation: b 10s ease infinite;
}

@-webkit-keyframes b {
  0% {
    width: 25%;
    height: 25%;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    -webkit-backdrop-filter: blur(2vmin) hue-rotate(0deg);
            backdrop-filter: blur(2vmin) hue-rotate(0deg);
  }
  12.49% {
    top: 0;
  }
  12.5% {
    height: 100%;
    top: unset;
    -webkit-backdrop-filter: blur(0vmin) hue-rotate(150deg);
            backdrop-filter: blur(0vmin) hue-rotate(150deg);
  }
  25% {
    width: 25%;
    height: 25%;
    -webkit-backdrop-filter: blur(2vmin) hue-rotate(300deg);
            backdrop-filter: blur(2vmin) hue-rotate(300deg);
  }
  37.49% {
    left: 0;
    right: 0;
  }
  37.5% {
    left: unset;
    width: 100%;
    -webkit-backdrop-filter: blur(0vmin) hue-rotate(150deg);
            backdrop-filter: blur(0vmin) hue-rotate(.........完整代码请登录后点击上方下载按钮下载查看