<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<title> 情人节心跳动动画 </title>
<style type="text/css">
html, body{
width: 100%;
height: 100%;
min-width: 500px;
min-height: 500px;
overflow: hidden;
}
.heart {
position: absolute;
width: 100px;
height: 90px;
top: 50%;
left: 50%;
margin-top: -45px;
margin-left: -50px;
}
.heart:before,
.heart:after {
position: absolute;
content: "";
left: 50px;
top: 0;
width: 50px;
height: 80px;
background: #fc2e5a;
border-radius: 50px 50px 0 0;
transform: rotate(-45deg);
transform-origin: 0 100%;
}
.heart:after {
left: 0;
transform: rotate(45deg);
transform-origin :100% 100%;
}
.heart1{animation: heart-anim 1s linear .4s infinite;}
.heart2{animation: pounding .5s linear infinite alternate;}
.heart1:after, .heart1:before{background-color: #ff7693;}
@keyframes pounding{0%{ transform: scale(1.5); }
100%{transform: scale(1); }
}
@keyframes heart-anim {
46% {transform: scale(1);
}
50% {transform: scale(1.3);
}
52% {transform: scale(1.5);
}
55% {transform: scale(3);
}
100% {
opacity: 0;
transform: scale(50);
}
}
</style>
</head>
<body>
<!-- 外圈大心 -->
<div class="heart heart1"></div>
<!-- 外面小心 -->
<div class="heart heart2"></div>
</body>
<script type="text/javascript">
</script>
</html>