css实现自适应分享菜单弹出效果代码-html代码-BFW代码库

代码语言：html

代码描述：css实现自适应分享菜单弹出效果代码

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>
        * {
        	border: 0;
        	box-sizing: border-box;
        	margin: 0;
        	padding: 0;
        }
        :root {
        	--hue: 223;
        	--bg: hsl(var(--hue),10%,90%);
        	--fg: hsl(var(--hue),10%,10%);
        	--primary: hsl(var(--hue),90%,55%);
        	--primary-down: hsl(var(--hue),90%,45%);
        	--primary-down-t: hsla(var(--hue),90%,45%,0);
        	font-size: calc(16px + (32 - 16) * (100vw - 320px) / (1280 - 320));
        }
        body,
        button {
        	font: 1em/1.5 sans-serif;
        }
        body {
        	background-color: var(--bg);
        	color: var(--fg);
        	height: 100vh;
        	display: grid;
        	place-items: center;
        	transition: background-color 0.3s;
        }
        
        /* Main styles */
        .share {
        	position: relative;
        	width: 3em;
        	height: 3em;
        }
        .share__btn,
        .share__links:before {
        	background-color: var(--primary);
        	width: 100%;
        	height: 100%;
        }
        .share__btn,
        .share__link {
        	border-radius: 50%;
        	color: hsl(0,0%,100%);
        	display: grid;
        	place-items: center;
        	transition: background-color 0.15s linear;
        }
        .share__btn {
        	position: relative;
        	z-index: 1;
        }
        .share__btn:focus,
        .share__link:focus {
        	outline: transparent;
        }
        .share__btn:focus,
        .share__btn:hover,
        .share__link:focus,
        .share__link:hover {
        	background-color: var(--primary-down);
        }
        .share__btn-icon,
        .share__link-icon {
        	display: block;
        	pointer-events: none;
        }
        .share__btn-icon {
        	width: 1.5em;
        	height: 1.5em;
        }
        .share__btn-icon-1a,
        .share__btn-icon-1b,
        .share__btn-icon-1c,
        .share__btn-icon-2a,
        .share__btn-icon-2b,
        .share__btn-icon-2c {
        	transition: all 0.3s ease-in-out;
        }
        .share__btn-icon-1a,
        .share__btn-icon-1b,
        .share__btn-icon-1c {
        	transform-origin: 12px 12px;
        }
        .share__btn-icon-1a,
        .share__btn-icon-1b {
        	stroke-dasharray: 5.7 5.7;
        	stroke-dashoffset: 0;
        }
        .share__btn-icon-1c {
        	stroke-dasharray: 12 12;
        	stroke-dashoffset: -3.73;
        }
        .share__btn-icon-2a,
        .share__btn-icon-2b,
        .share__btn-icon-2c {
        	transform-origin: 20px 21px;
        }
        .share__btn-icon-2a,
        .share__btn-icon-2b {
        	stroke-dasharray: 6 6;
        	stroke-dashoffset: 0;
        }
        .share__btn-icon-2c {
        	stroke-dasharray: 16 16;
        	stroke-dashoffset: -8.46;
        }
        .share__link-icon {
        	width: 1.25em;
        	height: 1.25em;
        	transform: scale(0);
        	transition: transform 0.3s cubic-bezier(0.42,-0.58,0.58,1);
        }
        .share__links,
        .share__links:before {
        	border-radius: 1.5em;
        	position: absolute;
        	top: 0;
        	left: 0;
        }
        .share__links {
        	display: flex;
        	flex-direction: column;
        	align-items: center;
        	list-style: none;
        	overflow: hidden;
        	padding-top: 3em;
        	pointer-events: none;
        	width: 100%;
        	visibility: hidden;
        	transition: visibility 0.3s 0.6s steps(1,start);
        	z-index: 0;
        }
        .share__links:before {
        	content: "";
        	display: block;
        	transform: translate(0,-100%);
        	transition:
        		background-color 0.3s,
        		transform 0.3s 0.3s ease-in-out;
        	z-index: -1;
        }
        .share__link {
        	background-color: var(--primary-down-t);
        	width: 2.25em;
        	height: 2.25em;
        }
        .share__link-item {
        	margin: 0.375em 0;
        }
        .share__link-item:nth-child(1) .share__link-icon {
        	transition-delay: 0.14s;
        }
        .share__link-item:nth-child(2) .share__link-icon {
        	transition-delay: 0.04s;
        }
        
        /* When share is open */
        .share__btn--open .share__btn-icon-1a,
        .share__btn--open .share__btn-icon-1b {
        	transform: rotate(45deg) translateY(-3px);
        }
        .share__btn--open .share__btn-icon-1a {
        	stroke-dashoffset: -5.7;
        }
        .share__btn--open .share__btn-icon-1b {
        	stroke-dashoffset: 5.7;
        }
        .share__btn--open .share__btn-icon-1c {
        	stroke-dasharray: 25.46 12;
        	stroke-dashoffset: -0.73;
        	transform: rotate(45deg);
        }
        .share__btn--open .share__btn-icon-2a,
        .share__btn--open .share__btn-icon-2b {
        	stroke-dashoffset: -6;
        }
        .share__btn--open .share__btn-icon-2a {
        	transform: translateY(-1px) rotate(45deg) translateX(-8px);
        }
        .share__btn--open .share__btn-icon-2b {
        	transform: translateY(-1px) rotate(45deg) translateX(1px);
        }
        .share__btn--open .share__btn-icon-2c {
        	stroke-dasharray: 25.46 16;
        	stroke-dashoffset: -1;
        	transform: translateY(-1px) rotate(45deg);
        }
        .share__btn--open + .share__links,
        .share__btn--open + .share__links:before {
        	transition-delay: 0s;
        }
        .share__btn--open + .share__links {
        	pointer-events: auto;
        	visibility: visible;
        }
        .share__btn--open + .share__links:before {
        	transform: translate(0);
        }
        .share__btn--open + .share__links .share__link-item .share__link-icon {
        	transform: scale(1);
        	transition-delay: 0.14s;
        	transition-timing-function: cubic-bezier(0.42,0,0.58,1.58);
        }
        .share__btn--open + .share__links .share__link-item:nth-child(2) .share__link-icon {
        	transition-delay: 0.26s;
        }
        .share__btn--open + .share__links .share__link-item:nth-child(3) .share__link-icon {
        	transition-delay: 0.3s;
        }
        
        /* `:focus-visible` support */
        @supports selector(:focus-visible) {
        	.share__btn:focus {
        		background-color: var(--primary);
        	}
        	.share__link:focus {
        		background-color: var(--primary-down-t);
        	}
        	.share__btn:focus-visible,
        	.share__btn:hover,
        	.share__link:focus-visible,
        	.share__link:hover {
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