svg+css实现按钮悬浮点击伸缩弹出菜单效果代码-html代码-BFW代码库

代码语言：html

代码描述：svg+css实现按钮悬浮点击伸缩弹出菜单效果代码

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">
 
<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 {
		background-color: var(--primary-down);
	}
}

/* Dark theme */
@media (prefers-color-scheme: dark) {
	:root {
		--bg: hsl(var(--hue),10%,10%);
		--fg: hsl(var(--hue),10%,90%);
	}
}

/* Wider than mobile */
@media (min-width: 768px) {
	.share__links {
		flex-direction: row;
		padding-top: 0;
		padding-left: 3em;
		width: auto;
		height: 100%;
	}
	.share__links:before {
		transform: translate(-100%,0);
	}
	.share__link-item {
		margin: 0 0.375em;
	}
}
</style>
</head>
<body>
<!-- partial:index.partial.html -->
<svg display="none">
	<symbol id="email" viewBox="0 0 20 20" >
		<g fill="none" stroke="currentColor" stroke-widt.........完整代码请登录后点击上方下载按钮下载查看