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CSS3实现三角形不断放大效果

一、CSS3三角形不断放大特效

11.1 图片预览

11.2 index.html代码

<!DOCTYPE html>
<html lang="en">
	<head>
		<meta charset="UTF-8">
		<title>CSS3三角形不断放大特效</title>
		<link rel="stylesheet" href="css/style.css">
	</head>
	<body>
		<div class="wrapper">
			<svg class="triangle-canvas" viewBox="0 0 1000 1000" xmlns="http://www.w3.org/2000/svg">
				<polygon class="triangle triangle-1" points="500,200 759,650 241,650" />
				<polygon class="triangle triangle-2" points="500,200 759,650 241,650" />
				<polygon class="triangle triangle-3" points="500,200 759,650 241,650" />
				<polygon class="triangle triangle-4" points="500,200 759,650 241,650" />
				<polygon class="triangle triangle-5" points="500,200 759,650 241,650" />
				<polygon class="triangle triangle-6" points="500,200 759,650 241,650" />
				<polygon class="triangle triangle-7" points="500,200 759,650 241,650" />
				<polygon class="triangle triangle-8" points="500,200 759,650 241,650" />
				<polygon class="triangle triangle-9" points="500,200 759,650 241,650" />
				<polygon class="triangle triangle-10" points="500,200 759,650 241,650" />
				<polygon class="triangle triangle-11" points="500,200 759,650 241,650" />
				<polygon class="triangle triangle-12" points="500,200 759,650 241,650" />
				<polygon class="triangle triangle-13" points="500,200 759,650 241,650" />
				<polygon class="triangle triangle-14" points="500,200 759,650 241,650" />
				<polygon class="triangle triangle-15" points="500,200 759,650 241,650" />
				<polygon class="triangle triangle-16" points="500,200 759,650 241,650" />
				<polygon class="triangle triangle-17" points="500,200 759,650 241,650" />
				<polygon class="triangle triangle-18" points="500,200 759,650 241,650" />
				<polygon class="triangle triangle-19" points="500,200 759,650 241,650" />
				<polygon class="triangle triangle-20" points="500,200 759,650 241,650" />
			</svg>
		</div>
	</body>
</html>

11.3 style.css代码

html {
	height: 100%;
}

body {
	padding: 0;
	margin: 0;
	height: 100%;
	background: #642B73;
	/* fallback for old browsers */
	/* Chrome 10-25, Safari 5.1-6 */
	background: linear-gradient(to left, #C6426E, #642B73);
	/* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */
}

.wrapper {
	overflow: hidden;
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
}

.triangle-canvas {
	position: absolute;
	left: 50%;
	top: 50%;
	width: 100%;
	height: 100%;
	-webkit-transform: translate(-50%, -50%);
	transform: translate(-50%, -50%);
}

.triangle {
	fill: none;
	stroke: #fff;
	stroke-width: 15;
	-webkit-transform-origin: center center;
	transform-origin: center center;
	-webkit-animation: triangle-animation 10s linear infinite;
	animation: triangle-animation 10s linear infinite;
}

.triangle-1 {
	-webkit-animation-delay: 0s;
	animation-delay: 0s;
}

.triangle-2 {
	-webkit-animation-delay: -0.5s;
	animation-delay: -0.5s;
}

.triangle-3 {
	-webkit-animation-delay: -1s;
	animation-delay: -1s;
}

.triangle-4 {
	-webkit-animation-delay: -1.5s;
	animation-delay: -1.5s;
}

.triangle-5 {
	-webkit-animation-delay: -2s;
	animation-delay: -2s;
}

.triangle-6 {
	-webkit-animation-delay: -2.5s;
	animation-delay: -2.5s;
}

.triangle-7 {
	-webkit-animation-delay: -3s;
	animation-delay: -3s;
}

.triangle-8 {
	-webkit-animation-delay: -3.5s;
	animation-delay: -3.5s;
}

.triangle-9 {
	-webkit-animation-delay: -4s;
	animation-delay: -4s;
}

.triangle-10 {
	-webkit-animation-delay: -4.5s;
	animation-delay: -4.5s;
}

.triangle-11 {
	-webkit-animation-delay: -5s;
	animation-delay: -5s;
}

.triangle-12 {
	-webkit-animation-delay: -5.5s;
	animation-delay: -5.5s;
}

.triangle-13 {
	-webkit-animation-delay: -6s;
	animation-delay: -6s;
}

.triangle-14 {
	-webkit-animation-delay: -6.5s;
	animation-delay: -6.5s;
}

.triangle-15 {
	-webkit-animation-delay: -7s;
	animation-delay: -7s;
}

.triangle-16 {
	-webkit-animation-delay: -7.5s;
	animation-delay: -7.5s;
}

.triangle-17 {
	-webkit-animation-delay: -8s;
	animation-delay: -8s;
}

.triangle-18 {
	-webkit-animation-delay: -8.5s;
	animation-delay: -8.5s;
}

.triangle-19 {
	-webkit-animation-delay: -9s;
	animation-delay: -9s;
}

.triangle-20 {
	-webkit-animation-delay: -9.5s;
	animation-delay: -9.5s;
}

@-webkit-keyframes triangle-animation {
	0% {
		-webkit-transform: scale(0) rotate(0deg);
		transform: scale(0) rotate(0deg);
		opacity: 1;
	}

	100% {
		-webkit-transform: scale(3) rotate(45deg);
		transform: scale(3) rotate(45deg);
		opacity: 0;
	}
}

@keyframes triangle-animation {
	0% {
		-webkit-transform: scale(0) rotate(0deg);
		transform: scale(0) rotate(0deg);
		opacity: 1;
	}

	100% {
		-webkit-transform: scale(3) rotate(45deg);
		transform: scale(3) rotate(45deg);
		opacity: 0;
	}
}

到此这篇关于CSS3实现三角形不断放大效果的文章就介绍到这了,更多相关css三角形放大特效内容请搜索脚本之家以前的文章或继续浏览下面的相关文章，希望大家以后多多支持脚本之家！

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