摘要：
<style type="text/css">* {margin:0;padding:0;}body {font-family:"Arial Black", Gadget, sans-serif;font-size:12px;}.clear {clear:both;}.top {height:170px;}#main {width:300px;height:300px;position: relative;margin:0 auto;border:1px solid red;}.top_left {width:70px;height:70px 阅读全文
