css切换气泡

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html

css

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html

css

* {
	border: 0;
	box-sizing: border-box;
	margin: 0;
	padding: 0;
}
:root {
	--bubbleTiming: cubic-bezier(0.5,0.15,0.25,1.75);
	font-size: calc(40px + (60 - 40) * (100vw - 320px) / (1280 - 320))
}
body, input {
	font: 1em/1.5 sans-serif;
}
body {
	background: hsl(223,90%,65%);
	display: grid;
	height: 100vh;
	place-items: center;
}
label, .bubble {
	display: block;
	-webkit-tap-highlight-color: transparent;
}
label {
	animation: float 4s ease-in-out infinite;
}
.bubble, .bubble:before, .bubble:after  {
	transition-duration: 0.2s;
}
.bubble, .bubble:after {
	border-radius: 50%;
}
.bubble {
	background-image:
		radial-gradient(8% 8% at 22% 28%,hsl(0,0%,100%) 45%,hsla(0,0%,100%,0) 50%),
		radial-gradient(8% 8% at 23% 27%,hsl(0,0%,100%) 45%,hsla(0,0%,100%,0) 50%),
		radial-gradient(8% 8% at 24% 26%,hsl(0,0%,100%) 45%,hsla(0,0%,100%,0) 50%),
		radial-gradient(8% 8% at 25% 25%,hsl(0,0%,100%) 45%,hsla(0,0%,100%,0) 50%),
		radial-gradient(8% 8% at 26% 24%,hsl(0,0%,100%) 45%,hsla(0,0%,100%,0) 50%),
		radial-gradient(8% 8% at 27% 23%,hsl(0,0%,100%) 45%,hsla(0,0%,100%,0) 50%),
		radial-gradient(8% 8% at 28% 22%,hsl(0,0%,100%) 45%,hsla(0,0%,100%,0) 50%);
	box-shadow:
		0 -0.06em 0.1em hsl(0,90%,100%) inset,
		0 -0.15em 0.4em hsl(0,90%,45%) inset,
		0 0.05em 0.05em hsl(0,90%,45%) inset,
		0.05em 0 0.1em hsl(0,90%,100%) inset,
		-0.05em 0 0.1em hsl(0,90%,100%) inset,
		0 0.1em 0.4em hsl(0,90%,60%) inset;
	cursor: pointer;
	position: relative;
	width: 3em;
	height: 3em;
	transform-style: preserve-3d;
	transition-property: box-shadow, transform, width, height;
	transition-timing-function: ease-in-out, ease-in-out, var(--bubbleTiming), var(--bubbleTiming);
	will-change: transform;
	-webkit-appearance: none;
	appearance: none;
	z-index: 0;
}
.bubble:before, .bubble:after {
	content: "";
	display: block;
	position: absolute;
	transition-timing-function: var(--bubbleTiming);
}
.bubble:before {
	border-radius: 0.75em;
	box-shadow:
		0 0 0 0.5em hsl(0,0%,100%) inset;
	filter: drop-shadow(0.6em 0.6em 4px hsla(0,0%,0%,0.2));
	top: 50%;
	left: 50%;
	width: 1.5em;
	height: 1.5em;
	transform: translate3d(-50%,-50%,-1px);
	z-index: -1;
}
.bubble:after {
	background:
		radial-gradient(100% 100% at center,hsla(0,0%,0%,0) 35%,hsla(0,0%,0%,0.2) 48%,hsla(0,0%,0%,0) 50%);
	filter: blur(4px);
	top: 0.6em;
	left: 0.6em;
	width: 100%;
	height: 100%;
	transform: translate3d(0,0,-1px);
	z-index: -2;
}
.bubble:focus, .bubble:hover {
	transform: scale(1.1);
	outline: none;
}
.bubble:focus:active, .bubble:hover:active {
	width: 3.6em;
	height: 2.4em;
}
.bubble:focus:before, .bubble:hover:before {
	filter: drop-shadow(0.75em 0.75em 4px hsla(0,0%,0%,0.2));
}
.bubble:focus:after, .bubble:hover:after {
	transform: translate3d(0.15em,0.15em,-1px);
}
.bubble:checked {
	box-shadow:
		0 -0.06em 0.1em hsl(120,90%,100%) inset,
		0 -0.15em 0.4em hsl(120,90%,45%) inset,
		0 0.05em 0.05em hsl(120,90%,45%) inset,
		0.05em 0 0.1em hsl(120,90%,100%) inset,
		-0.05em 0 0.1em hsl(120,90%,100%) inset,
		0 0.1em 0.4em hsl(120,90%,60%) inset;
}
.bubble:checked:before {
	border-radius: 0.25em;
	width: 0.5em;
}
/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
	label {
		animation: none;
	}
	.bubble, .bubble:before, .bubble:after {
		transition-duration: 0s;
	}
	.bubble:focus, .bubble:hover {
		transform: scale(1);
	}
	.bubble:focus:active, .bubble:hover:active {
		width: 3em;
		height: 3em;
	}
	.bubble:focus:before, .bubble:hover:before {
		filter: drop-shadow(0.6em 0.6em 4px hsla(0,0%,0%,0.2));
	}
	.bubble:focus:after, .bubble:hover:after {
		transform: translate3d(0,0,-1px);
	}
}
/* Animations */
@keyframes float {
	from, to {
		transform: translate(0,3%);
	}
	25% {
		transform: translate(-3%,0);
	}
	50% {
		transform: translate(0,-3%);
	}
	75% {
		transform: translate(3%,0);
	}
}

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