js+svg实现网页主题色明暗切换过渡动画效果代码-html代码-BFW代码库

代码语言：html

所属分类：动画

代码描述：js+svg实现网页主题色明暗切换过渡动画效果代码

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 type="text/css" rel="stylesheet" href="//repo.bfw.wiki/bfwrepo/css/normalize.5.0.css">

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

[data-theme=dark] {
  color-scheme: dark only;
}
[data-theme=light],
html {
  color-scheme: light only;
}
@media(prefers-color-scheme: dark) {
  color-scheme: dark only;
}

[aria-pressed=true] path:nth-of-type(1) {
  display: none;
}
[aria-pressed=false] path:nth-of-type(2) {
  display: none;
}

header {
  position: relative;
}

header svg {
  width: 60px;
  position: absolute;
  right: 100%;
  top: 0;
  height: auto;
  scale: 1 1;
  transform-origin: 100% 100%;
  rotate: 25deg;
  fill: canvasText;
  translate: -25% -25%;
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: canvas;
  color: canvasText;
  align-content: center;
}

body::before {
  --size: 30px;
  --line: color-mix(in lch, canvasText, transparent 85%);
  content: '';
  height: 100vh;
  width: 100vw;
  position: fixed;
  background: radial-gradient(4px 4px at 50% 50%,
        var(--line) 2px,
        transparent 2px var(--size)
      )
      50% 50% / var(--size) var(--size);
  -webkit-mask: linear-gradient(-25deg, transparent 30%, white);
          mask: linear-gradient(-25deg, transparent 30%, white);
  top: 0;
  transform-style: flat;
  pointer-events: none;
  z-index: -1;
}

p {
  width: 60ch;
  max-width: calc(100% - 2rem);
}

h1 {
  font-size: clamp(3rem, 7vw + 1rem, 5rem);
  text-wrap: balance;
}

:root {
  --size: 45px;
  --line: color-mix(in lch, white, transparent 85%);
  background: linear-gradient(
        90deg,
        var(--line) 1px,
        transparent 1px var(--size)
      )
      50% 50% / var(--size) var(--size),
    linear-gradient(var(--line) 1px, transparent 1px var(--size)) 50% 50% /
      var(--size) var(--size), hsl(210 70% 34%);
}

::view-transition-new(body),
::view-transition-old(body) {
  -webkit-animation: pan 1s ease-in-out;
          animation: pan 1s ease-in-out;
  -webkit-backface-visibility: hidden;
          backface-visibility: hidden;
  box-shadow: 2.2px 61.3px 73.1px -2px hsl(0 0% 0% / 0.58);
}

::view-transition-new(body) {
  --sr: 180deg;
  background: canvas;
}

::view-transition-old(body) {
  --sr: 0deg;
  -webkit-backface-visibility: hidden;
          backface-visibility: hidden;
}

body {
  view-transition-name: body;
}

@-webkit-keyframes pan {
  0% {
    transform: scale(1) rotateY(var(--sr));
  }
  25% {
    transform: scale(0.5) rotateY(var(--sr));
    box-shadow: 1.8px 50.7px 51.4px -3.2px hsl(0 0% 0% / 0.32);
  }
  75% {
    transform: scale(0.5) rotateY(calc(var(--sr) + 180deg));
    box-shadow: 1.8px 50.7px 51.4px -3.2px hsl(0 0% 0% / 0.32);
  }
  100% {
    transform: scale(1) rotateY(calc(var(--sr) + 180deg));
  }
}

@keyframes pan {
  0% {
    transform: scale(1) rotateY(var(--sr));
  }
  25% {
    transform: scale(0.5) rotateY(var(--sr));
    box-shadow: 1.8px 50.7px 51.4px -3.2px hsl(0 0% 0% / 0.32);
  }
  75% {
    transform: scale(0.5) rotateY(calc(var(--sr) + 180deg));
    box-shadow: 1.8px 50.7px 51.4px -3.2px hsl(0 0% 0% / 0.32);
  }
  100% {
    transform: scale(1) rotateY(calc(var(--sr) + 180deg));
  }
}

:root {
  view-transition-name: none;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

[aria-pressed] {
  position: fixed;
  top: 1rem;
  right: 1rem;
  width: 48px;
  aspect-ratio: 1;
  padding: 0;
  border: 0;
  margin: 0;
  display: grid;
  place-items: center;
  border-radius: 6px;
  transition: background 0.2;
  cursor: pointer;
  background-color: color-mix(in lch, canvas, canvasText calc(var(--intent) * 15%));
}

button svg {
  width: 50%;
}

button:is(:focus-visible, :hover) {
  --intent: 1;
}

main {
  width: 600px;
  max-width: calc(100% - 2rem);
}

.bear-link {
  color: canvasText;
  position: fixed;
  top: 1rem;
  left: 1rem;
  width: 48px;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  opacity: 0.8;
}

:where(.x-link, .bear-link):is(:hover, :focus-visible) {
  opacity: 1;
}
.bear-link svg {
  width: 75%;
}
</style>


  
  
</head>

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