这是一款HTML5和CSS3炫酷黑夜和白天切换开关按钮。该开关按钮在切换时，白天显示蓝天白云，晚上显示星空，并且带有SVG动画效果，非常炫酷。
使用方法
HTML代码
<div class="container">
<div class="controls">
<label for="sync">Sync <body></label>
<input id="sync" type="checkbox" />
</div>
<button class="toggle" aria-pressed="false" title="Toggle Dark Mode">
<span class="toggle__content">
<svg aria-hidden=true class="toggle__backdrop" xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 290 228">
<g class="clouds">
<path fill="#D9D9D9" d="M335 147.5c0 27.89-22.61 50.5-50.5 50.5a50.78 50.78 0 0 1-9.29-.853c-2.478 12.606-10.595 23.188-21.615 29.011C245.699 243.749 228.03 256 207.5 256a50.433 50.433 0 0 1-16.034-2.599A41.811 41.811 0 0 1 166 262a41.798 41.798 0 0 1-22.893-6.782A42.21 42.21 0 0 1 135 256a41.82 41.82 0 0 1-19.115-4.592A41.84 41.84 0 0 1 88 262c-1.827 0-3.626-.117-5.391-.343C74.911 270.448 63.604 276 51 276c-23.196 0-42-18.804-42-42s18.804-42 42-42c1.827 0 3.626.117 5.391.343C64.089 183.552 75.396 178 88 178a41.819 41.819 0 0 1 19.115 4.592C114.532 176.002 124.298 172 135 172a41.798 41.798 0 0 1 22.893 6.782 42.066 42.066 0 0 1 7.239-.773C174.137 164.159 189.749 155 207.5 155c.601 0 1.199.01 1.794.031A41.813 41.813 0 0 1 234 147h.002c.269-27.66 22.774-50 50.498-50 27.89 0 50.5 22.61 50.5 50.5Z" />
</g>
</svg>
<span aria-hidden=true class="pilot__container">
<span class="pilot-bear">
<img src="https://assets.codepen.io/605876/pilot-bear.svg" alt="pilot-bear" class="pilot" />
</span>
</span>
<svg aria-hidden=true class="toggle__backdrop" xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 290 228">
<g class="clouds">
<path fill="#fff" d="M328 167.5c0 15.214-7.994 28.56-20.01 36.068.007.31.01.621.01.932 0 23.472-19.028 42.5-42.5 42.5-3.789 0-7.461-.496-10.957-1.426C249.671 263.676 233.141 277 213.5 277a42.77 42.77 0 0 1-7.702-.696C198.089 284.141 187.362 289 175.5 289a42.338 42.338 0 0 1-27.864-10.408A42.411 42.411 0 0 1 133.5 281c-4.36 0-8.566-.656-12.526-1.876C113.252 287.066 102.452 292 90.5 292a42.388 42.388 0 0 1-15.8-3.034A42.316 42.316 0 0 1 48.5 298C25.028 298 6 278.972 6 255.5S25.028 213 48.5 213a42.388 42.388 0 0 1 15.8 3.034A42.316 42.316 0 0 1 90.5 207c4.36 0 8.566.656 12.526 1.876C110.748 200.934 121.548 196 133.5 196a42.338 42.338 0 0 1 27.864 10.408A42.411 42.411 0 0 1 175.5 204c2.63 0 5.204.239 7.702.696C190.911 196.859 201.638 192 213.5 192c3.789 0 7.461.496 10.957 1.426 2.824-10.491 9.562-19.377 18.553-24.994-.007-.31-.01-.621-.01-.932 0-23.472 19.028-42.5 42.5-42.5s42.5 19.028 42.5 42.5Z" />
</g>
</svg>
<span class="toggle__indicator-wrapper">
<span class="toggle__indicator">
<span class="toggle__star">
<span class="sun">
<span class="moon">
<span class="moon__crater"></span>
<span class="moon__crater"></span>
<span class="moon__crater"></span>
</span>
</span>
</span>
</span>
</span>
<svg aria-hidden=true class="toggle__backdrop" xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 290 228">
<g>
<g class="stars">
<g>
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</g>
<g>
<path fill="#fff" fill-rule="evenodd" d="M62.5 45.219a.329.329 0 0 1 .315.238l.356 1.245a1.641 1.641 0 0 0 1.127 1.127l1.245.356a.328.328 0 0 1 0 .63l-1.245.356a1.641 1.641 0 0 0-1.127 1.127l-.356 1.245a.328.328 0 0 1-.63 0l-.356-1.245a1.641 1.641 0 0 0-1.127-1.127l-1.245-.356a.328.328 0 0 1 0-.63l1.245-.356a1.641 1.641 0 0 0 1.127-1.127l.356-1.245a.328.328 0 0 1 .315-.238Z" clip-rule="evenodd" />
</g>
<g>
<path fill="#fff" fill-rule="evenodd" d="M32 31.188a.28.28 0 0 1 .27.204l.305 1.067a1.405 1.405 0 0 0 .966.966l1.068.305a.28.28 0 0 1 0 .54l-1.068.305a1.405 1.405 0 0 0-.966.966l-.305 1.068a.28.28 0 0 1-.54 0l-.305-1.068a1.406 1.406 0 0 0-.966-.966l-1.067-.305a.28.28 0 0 1 0-.54l1.067-.305a1.406 1.406 0 0 0 .966-.966l.305-1.068a.281.281 0 0 1 .27-.203Z" clip-rule="evenodd" />
</g>
<g>
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<g>
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<g>
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<g>
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<g>
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<g>
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<g>
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</svg>
<span class="astrobear__container">
<span class="astrobear">
<svg aria-hidden=true xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 316 432">
<circle cx="158" cy="143" r="140" fill="#444" />
<circle cx="158" cy="143" r="140" fill="url(#a)" fill-opacity=".2" />
<circle cx="158" cy="143" r="140" stroke="#000" stroke-width="6" />
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<path fill="#FF1E1E" d="M113.322 154.665h88.371v13.25h-88.371z" />
<path fill="#000" fill-rule="evenodd" d="M225.3 113.481c17.939 14.394 28.018 37.148 28.018 57.504H191.67c-.087-13.669-11.194-24.723-24.883-24.723h-18.56c-13.689 0-24.796 11.054-24.883 24.723H62c0-20.356 10.078-43.11 28.018-57.504C107.957 99.087 132.289 91 157.659 91c25.37 0 49.701 8.087 67.641 22.481Z" clip-rule="evenodd" />
<circle cx="212.665" cy="197.079" r="8.079" fill="#000" />
<circle cx="104.079" cy="197.079" r="8.079" fill="#000" />
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<path stroke="#000" stroke-linecap="round" stroke-width="6" d="M198 417v12M222 417v12M95 417v12M119 417v12" />
<circle cx="158" cy="143" r="140" fill="url(#c)" stroke="#000" stroke-width="6" />
<g clip-path="url(#d)">
<path fill="#F5D949" stroke="#000" stroke-width="6" d="m217.543 305.943.704 1.692 1.826.146 12.818 1.027h.001a.17.17 0 0 1 .059.011l.002.001a.147.147 0 0 1 .037.065.15.15 0 0 1 .008.075l-.001.002c0 .001-.01.017-.041.044h-.001l-9.765 8.365-1.391 1.192.425 1.782 2.981 12.506h.001c.009.04.008.058.008.06l-.001.002a.148.148 0 0 1-.05.056.146.146 0 0 1-.069.031h-.002c-.002-.001-.02-.005-.054-.026l-10.974-6.702-1.564-.955-1.564.955-10.974 6.702a.177.177 0 0 1-.053.025l-.002.001c-.004-.001-.032-.005-.069-.032a.146.146 0 0 1-.051-.056l-.001-.002s-.001-.018.008-.058l.001-.001 2.981-12.506.425-1.782-1.391-1.192-9.765-8.365h-.001c-.031-.027-.04-.043-.041-.044l-.001-.002a.15.15 0 0 1 .008-.075.147.147 0 0 1 .037-.065l.002-.001a.17.17 0 0 1 .059-.011h.001l12.818-1.027 1.826-.146.704-1.692 4.938-11.875a.161.161 0 0 1 .028-.051l.001-.001a.146.146 0 0 1 .076-.016c.047 0 .072.013.076.016l.001.001c.001 0 .012.013.028.051l4.938 11.875Z" />
</g>
<path stroke="#000" stroke-linecap="round" stroke-width="16" d="M56.884 247.116A143.01 143.01 0 0 0 158 289a143.002 143.002 0 0 0 101.116-41.884" />
<path stroke="#000" stroke-width="6" d="M65.035 404s25.382-6.618 41.965-6.5c17.059.121 43.035 7.5 43.035 7.5M164.012 403.977s25.961-5.606 42.932-5.472C224.402 398.642 251 405 251 405M25 290l7.769-4.072a57.001 57.001 0 0 0 25.067-26.121L62 251M254.363 252l3.867 7.873a57.002 57.002 0 0 0 25.452 25.746l8.694 4.394" />
<defs>
<linearGradient id="a" x1="158" x2="158" y1="0" y2="286" gradientUnits="userSpaceOnUse">
<stop offset=".219" />
<stop offset="1" stop-color="#fff" />
</linearGradient>
<linearGradient id="b" x1="254" x2="100" y1="419" y2="325" gradientUnits="userSpaceOnUse">
<stop stop-opacity=".98" />
<stop offset="1" stop-opacity="0" />
</linearGradient>
<radialGradient id="c" cx="0" cy="0" r="1" gradientTransform="matrix(165.9998 58.9999 -60.6938 170.7657 210 171)" gradientUnits="userSpaceOnUse">
<stop offset=".771" stop-color="#D9D9D9" stop-opacity="0" />
<stop offset="1" stop-color="#fff" stop-opacity=".63" />
</radialGradient>
<clipPath id="d">
<path fill="#fff" d="M189 291h47v45h-47z" />
</clipPath>
</defs>
</svg>
</span>
</span>
</span>
</button>
</div>
CSS代码
*,
*:after,
*:before {
box-sizing: border-box;
}
:root {
--slide-ease: cubic-bezier(.4, -0.3, .6, 1.3);
/* --slide-ease: cubic-bezier(.8,-0.3,.2,1.3); */
--easing: var(--slide-ease);
--speed: 0.5s;
--width: clamp(200px, 45vmin, 500px);
--ar: 8 / 3;
--ray: hsl(0 0% 100% / 0.5);
--sun: hsl(47, 91%, 58%);
--moon: hsl(212, 13%, 82%);
--crater: hsl(221, 16%, 68%);
--bg: hsl(219, 30%, 88%);
--bear-speed: 10s;
--color: hsl(219 30% 20%);
}
[data-dark-mode=true] {
--bg: hsl(219, 30%, 12%);
--color: hsl(219 30% 98%);
}
.container {
display: grid;
place-items: center;
min-height: 500px;
overflow: hidden;
background: var(--bg);
transition: background var(--speed) var(--easing);
font-family: sans-serif, system-ui;
}
.toggle__backdrop:first-of-type .clouds path:first-of-type {
fill: var(--ray);
}
.toggle {
-webkit-tap-highlight-color: transparent;
width: var(--width);
/* random attempts at tackling the overflow iOS issue */
z-index: 10;
will-change: transform;
isolation: isolate;
transform: translate3d(0, 0, 0);
/* End of workaround city */
aspect-ratio: var(--ar);
border-radius: 100vh;
border: 0;
position: relative;
padding: 0;
overflow: hidden;
cursor: pointer;
transition: background var(--speed) var(--easing);
--sky: hsl(204, 53%, 47%);
--night: hsl(229, 25%, 16%);
outline-color: transparent;
background: hsl(calc(204 + (var(--dark, 0) * 25)) calc((53 - (var(--dark, 0) * 28)) * 1%) calc((47 - (var(--dark, 0) * 31)) * 1%));
box-shadow:
calc(var(--width) * 0) calc(var(--width) * 0.02) calc(var(--width) * 0.01) calc(var(--width) * -0.0025) hsl(210 10% 100% / 0.95),
calc(var(--width) * 0) calc(var(--width) * -0.02) calc(var(--width) * 0.01) calc(var(--width) * -0.0025) hsl(210 10% 10% / 0.2),
calc(var(--width) * 0) calc(var(--width) * 0.02) calc(var(--width) * 0.5) 0 hsl(210 10% 100% / 0.15);
}
.toggle:after {
content: "";
position: absolute;
inset: 0;
box-shadow:
calc(var(--width) * 0) calc(var(--width) * -0.025) calc(var(--width) * 0.025) 0 hsl(210 10% 10% / 0.15) inset,
calc(var(--width) * 0) calc(var(--width) * 0.025) calc(var(--width) * 0.025) 0 hsl(210 10% 10% / 0.65) inset;
border-radius: 100vh;
}
.toggle__content {
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
overflow: hidden;
border-radius: 100vh;
display: block;
clip-path: inset(0 0 0 0 round 100vh);
}
.toggle__backdrop {
overflow: visible !important;
position: absolute;
bottom: 0;
width: 100%;
left: 0;
transition: translate var(--speed) var(--easing);
translate: 0 calc(var(--dark, 0) * (100% - (3 / 8 * var(--width))));
}
[aria-pressed=false] .toggle__backdrop:last-of-type {
transition-timing-function: cubic-bezier(.2, -0.6, .7, 1.6);
}
[aria-pressed=false] .stars path {
transition-delay: 0s;
}
.stars path {
transform-box: fill-box;
transform-origin: 25% 50%;
scale: calc(0.25 + (var(--dark, 0) * 0.75));
transition: scale var(--speed) calc(var(--speed) * 0.5) var(--easing);
}
.toggle__indicator {
height: 100%;
aspect-ratio: 1;
border-radius: 0%;
display: grid;
place-items: center;
padding: 3%;
}
.pilot-bear {
position: absolute;
width: 25%;
}
.toggle__star {
height: 100%;
aspect-ratio: 1;
border-radius: 50%;
position: relative;
transition: translate var(--speed) var(--easing);
translate: calc((var(--dark, 0) * -10%) + 5%) 0;
/* translate: calc((var(--dark, 0) * -18%) + 5%) 0; */
}
.sun {
background: var(--sun);
position: absolute;
inset: 0;
border-radius: 50%;
overflow: hidden;
box-shadow:
calc(var(--width) * 0.01) calc(var(--width) * 0.01) calc(var(--width) * 0.02) 0 hsl(210 10% 100% / 0.95) inset,
calc(var(--width) * -0.01) calc(var(--width) * -0.01) calc(var(--width) * 0.02) 0 hsl(210 10% 20% / 0.5) inset;
}
.moon {
position: absolute;
inset: -1%;
border-radius: 50%;
background: var(--moon);
transition: translate var(--speed) ease-in-out;
translate: calc((100 - (var(--dark, 0) * 100)) * 1%) 0%;
box-shadow:
calc(var(--width) * 0.01) calc(var(--width) * 0.01) calc(var(--width) * 0.02) 0 hsl(210 10% 100% / 0.95) inset,
calc(var(--width) * -0.01) calc(var(--width) * -0.01) calc(var(--width) * 0.02) 0 hsl(210 10% 10% / 0.95) inset;
}
.moon__crater {
position: absolute;
background: var(--crater);
border-radius: 50%;
width: calc(var(--size, 10) * 1%);
aspect-ratio: 1;
left: calc(var(--x) * 1%);
top: calc(var(--y) * 1%);
box-shadow:
calc(var(--width) * 0.01) calc(var(--width) * 0.01) calc(var(--width) * 0.01) 0 hsl(210 10% 6% / 0.25) inset,
0 calc(var(--width) * 0.005) calc(var(--width) * 0.01) 0 hsl(210 10% 100% / 0.25);
}
.moon__crater:nth-of-type(1) {
--size: 18;
--x: 40;
--y: 15;
}
.moon__crater:nth-of-type(2) {
--size: 20;
--x: 65;
--y: 58;
}
.moon__crater:nth-of-type(3) {
--size: 34;
--x: 18;
--y: 40;
}
.toggle__star:before {
content: "";
z-index: -1;
width: 356%;
background:
radial-gradient(hsl(0 0% 100% / 0.25) 40%, transparent 40.5%),
radial-gradient(hsl(0 0% 100% / 0.25) 56%, transparent 56.5%) hsl(0 0% 100% / 0.25);
border-radius: 50%;
aspect-ratio: 1;
position: absolute;
top: 50%;
left: 50%;
transition: translate var(--speed) var(--easing);
translate: calc((50 - (var(--dark, 0) * 4)) * -1%) -50%;
}
.toggle__star:after {
content: "";
position: absolute;
inset: 0;
display: block;
background: hsl(0 0% 0% / 0.5);
filter: blur(4px);
translate: 2% 4%;
border-radius: 50%;
z-index: -1;
}
.toggle__indicator-wrapper {
position: absolute;
inset: 0;
transition: translate var(--speed) var(--slide-ease);
translate: calc(var(--dark, 0) * (var(--width) - (3 / 8 * var(--width)))) 0;
}
[aria-pressed=true] {
--dark: 1;
}
/* Fun stuff! */
/* We have 11 stars */
.stars g {
transform-box: fill-box;
transform-origin: 50% 50%;
}
.stars g:nth-of-type(3) {
animation: twinkle 4s -2s infinite;
}
.stars g:nth-of-type(11) {
animation: twinkle 6s -2s infinite;
}
.stars g:nth-of-type(9) {
animation: twinkle 4s -1s infinite;
}
@keyframes twinkle {
0%,
40%,
60%,
100% {
transform: scale(1);
}
50% {
transform: scale(0);
}
}
.astrobear {
width: 12%;
position: absolute;
top: 100%;
left: 0%;
transition: translate calc(var(--speed) + (var(--dark, 0) * (var(--bear-speed) - var(--speed)))) calc(var(--bear-speed) * (0.4 * var(--dark, 0))) linear;
translate: calc(var(--dark, 0) * 400%) calc(var(--dark, 0) * -350%);
}
.astrobear svg {
transform-origin: 50% 75%;
scale: var(--dark, 0);
rotate: calc(var(--dark, 0) * 360deg);
transition: rotate calc(var(--speed) + (var(--dark, 0) * (var(--bear-speed) - var(--speed)))) calc(var(--bear-speed) * 0.4) linear, scale var(--speed) ease-in-out;
}
.astrobear__container {
position: absolute;
overflow: hidden;
inset: 0;
clip-path: inset(0 0 0 0);
opacity: var(--dark, 0);
translate: 0 calc(-200% + (var(--dark, 0) * 200%));
transition: opacity var(--speed) var(--easing), translate var(--speed) var(--easing);
}
.pilot__container {
position: absolute;
overflow: hidden;
inset: 0;
clip-path: inset(0 0 0 0);
opacity: calc(1 - var(--dark, 0));
translate: 0 calc(var(--dark, 0) * 200%);
transition: opacity var(--speed) var(--easing), translate var(--speed) var(--easing);
}
.pilot-bear {
width: 18%;
position: absolute;
top: 70%;
left: 100%;
transition:
translate calc(var(--speed) + ((1 - var(--dark, 0)) * ((var(--bear-speed) * 0.5) - var(--speed)))) calc((var(--bear-speed) * 0.5) * ((1 - var(--dark, 0)) * 0.4)) linear;
translate:
calc((0 - (1 - var(--dark, 0))) * (var(--width) + 100%)) calc((0 - (1 - var(--dark, 0))) * (200%));
}
.pilot {
rotate: 12deg;
animation: fly 4s infinite ease-in-out;
}
@keyframes fly {
50% {
translate: 0 -25%;
}
}
.controls {
position: fixed;
bottom: 1rem;
right: 1rem;
display: flex;
align-items: center;
gap: 0.5rem;
font-family: sans-serif;
color: var(--color);
transition: color var(--speed) var(--easing);
}
[type=checkbox] {
accent-color: var(--color);
transition: accent-color var(--speed) var(--easing);
}
JS代码
const BUTTON = document.querySelector("button");
const SYNC = document.querySelector("#sync")
const TOGGLE = () => {
const IS_PRESSED = BUTTON.matches("[aria-pressed=true]");
if (SYNC.checked)
document.body.setAttribute("data-dark-mode", IS_PRESSED ? false : true);
BUTTON.setAttribute("aria-pressed", IS_PRESSED ? false : true);
};
BUTTON.addEventListener("click", TOGGLE);
codepen网址：https://codepen.io/jh3y/pen/LYgjpYZ
