烟花特效，比较简单，直接贴代码了……
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>css3实现烟花特效</title>
<style>
* {
margin: 0;
padding: 0;
}
html{
width: 100%;
height: 100%;
}
body{
width: 100%;
height: 100%;
}
#container{
width: 100%;
height: 100%;
background-color: black;
position: relative;
}
#fireworks{
position: absolute;
left: 50%;
margin-left: -250px;
bottom: 60%;
margin-bottom: -180px;
transform: scale(0);
animation: fireworks 5s 3s;
}
@keyframes fireworks {
0%{
transform: scale(0);
}
80%{
transform: scale(1);
}
100%{
opacity: 0;
}
}
#firecracker{
position: absolute;
left: 50%;
bottom: 0%;
margin-left: -4px;
animation: firecracker 3s forwards;
}
@keyframes firecracker {
0%{
transform: scale(1);
bottom: 0%;
}
100%{
bottom: 60%;
transform: scale(0);
}
}
</style>
</head>
<body>
<div id="container">
<div id="fireworks"><img src="imgs/fireworks.png" alt=""></div>
<div id="firecracker"><img src="imgs/firecracker.png" alt="" width="8px"></div>
</div>
</body>
</html>
