css实现吧背景渐变色变化动画效果代码-html代码-BFW代码库

css实现吧背景渐变色变化动画效果代码

代码语言：html

所属分类：背景

代码描述：css实现吧背景渐变色变化动画效果代码

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">

  <meta name="viewport" content="width=device-width, initial-scale=1, viewport-fit=cover">


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

html,
body {
  height: 100%;
}

body {
  display: grid;
  place-content: center;
  grid-template-areas: "body";
  overflow: hidden;
}

body::before,
body::after {
  --size: 150vmax;
  --duration: 8s;
  
  content: "";
  grid-area: body;
  width: var(--size);
  height: var(--size);
  -webkit-animation-timing-function: linear;
          animation-timing-function: linear;
  -webkit-animation-iteration-count: infinite;
          animation-iteration-count: infinite;
}

body::before {
  -webkit-animation-name: rotate;
          animation-name: rotate;
  -webkit-animation-duration: var(--duration);
          animation-duration: var(--duration);
  background: linear-gradient(to left, var(--palette));
}

body::after {
  -webkit-animation-name: rotate, fade;
          animation-name: rotate, fade;
  -webkit-animation-duration: calc(var(--duration) / 2), var(--duration);
          animation-duration: calc(var(--duration) / 2), var(--duration);
  background: linear-gradient(to right, var(--palette));
}

@-webkit-keyframes rotate {
  to {
    transform: rotate(1turn);
  }
}

@keyframes rotate {
  to {
    transform: rotate(1turn);
  }
}

@-webkit-keyframes fade {
  50% {
    opacity: 0;
  }
}

@keyframes fade {
  50% {
    opacity: 0;
  }
}

/* Gradients generated at https://learnui.design/tools/gradient-generator.html */
body {
  --rotate: 0deg;
  --palette: #1f005c, #5b0060, #870160, #ac255e, #ca485c, #e16b5c, #f39060,
    #ffb56b;
}

[data-color="1"] {
  --rotate: 90deg;
  --palette: #004466, #006080, #007e90, #009b97, #29b794, #74d18b, #b7e881,
    #fffb80;
}

[data-color="2"] {
  --rotate: 180deg;
  --palette: #f3ff17, #ffde00, #ffb900, #ff8f39, #ff6062, #ff298b, #ff00b5, #ff1fdd;
}

[data-color="3"] {
  --rotate: 270deg;
  --palette: #054ce6, #0072ff, #008fff, #00a5ff, #00b8e4, #00c9bb, #00d890, #36e367;
}

/* Controls */
.controls {
  --offset: 0.5rem;
  position: fixed;
  top: var(--offset);
  lef.........完整代码请登录后点击上方下载按钮下载查看