在线运行代码 - 龙凤缘网址导航 - 最简单的个人网址导航

<style type="text/css">
/* CSS Document */
*{margin:0;padding:0;} 
body,ul,li,ol,dl,dd,p,h1,h2,h3,h4,h5,h6{ margin:0;} 
a{text-decoration:none;color: inherit;} img{display: block;border:none;} 
ol,ul{list-style:none;} .clearfix:after {content: "";display: block;clear: both;} 
.fl{ float: left;}
 .fr{ float: right;}
 html{ height: 100%; background: -webkit-radial-gradient(center,#153170,#000); } .heart{ position: relative; width: 300px; height: 300px; margin: 200px auto;transform: rotate(45deg); animation: move 2s infinite alternate ;} 
.heart div{ position: absolute; width: 200px; height: 200px; background: red;} .heart .middle{ right: 0; bottom: 0; width: 200px; height: 200px;} 
.heart .left{ left: 0; bottom: 0; border-radius: 50%;}
 .heart .right{ top: 0; right: 0;border-radius: 50%;}
 .heart p{ width: 200px; height: 30px; font: bold 25px/30px "";text-align:center; color: #fff;}
 .heart p{ position: absolute; right: 0; bottom: 85px; transform: rotate(-45deg);}

@-webkit-keyframes move{ 
10%{ transform: rotate(45deg) scale(1.1); text-shadow: 0 0 5px #fff; } 
20%{ transform: rotate(45deg) scale(1.2); text-shadow: 0 0 5px #fff; }
 30%{ transform: rotate(45deg) scale(1.3); text-shadow: 0 0 5px #fff; }
 40%{ transform: rotate(45deg) scale(1.2); text-shadow: 0 0 5px #fff; }
 50%{ transform: rotate(45deg) scale(1.3); text-shadow: 0 0 5px #fff; } 
60%{ transform: rotate(45deg) scale(1.2); text-shadow: 0 0 5px #fff; } 
70%{ transform: rotate(45deg) scale(1.3); text-shadow: 0 0 5px #fff; } 
80%{ transform: rotate(45deg) scale(1.2); text-shadow: 0 0 10px #fff;} 
90%{ transform: rotate(45deg) scale(1.1);} 
}
</style>

<div class="heart">
  <div class="left"></div>
  <div class="middle"></div>
  <div class="right"></div>
  <p>I LOVE  YOU</p>
</div>