<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>全屏星星闪烁动画CSS3特效 - 更多源码【www.96flw.com】</title>
<style>
*{
margin: 0;
padding: 0;
list-style: none;
}
body{
background-color: #000;
overflow:hidden;
}
span{
width: 30px;
height: 30px;
background: url("images/star.png") no-repeat;
position: absolute;
background-size:100% 100%;
animation: flash 1s alternate infinite;
}
@keyframes flash {
0%{opacity: 0;}
100%{opacity: 1;}
}
span:hover{
transform: scale(3, 3) rotate(180deg) !important;
transition: all 1s;
}
</style>
</head>
<body>
<span></span>
<script>
window.onload = function () {
// 屏幕的尺寸
var screenW = document.documentElement.clientWidth;
var screenH = document.documentElement.clientHeight;
// 2. 动态创建多个星星
for(var i=0; i<150; i++){
var span = document.createElement('span');
document.body.appendChild(span);
//位置随机
var x = parseInt(Math.random() * screenW);
var y = parseInt(Math.random() * screenH);
span.style.left = x + 'px';
span.style.top = y + 'px';
//大小随机
var scale = Math.random() * 1.5;
span.style.transform = 'scale('+ scale + ', ' + scale + ')';
//频率随机
var rate = Math.random() * 1.5;
span.style.animationDelay = rate + 's';
}
}
</script>
<div style="text-align:center;margin:50px 0; font:normal 14px/24px 'MicroSoft YaHei';color:#ffffff">
<p>适用浏览器:360、FireFox、Chrome、Opera、傲游、搜狗、世界之窗. 不支持Safari、IE8及以下浏览器。</p>
<p>更多源码<a href="http://www.96flw.com" target="_blank">www.96flw.com</a></p>
</div>
</body>
</html>