/* 所有标签使用 */
* { margin: 0; padding: 0; }
/* html标签使用 */
body>div { margin-left:auto; margin-right:auto; }
html { cursor: default; font-family: tahoma,"宋体"，"微软雅黑"; font-size: 12px;  overflow-x: hidden; }
div, form, img, ul, ol, li, dl, dt, dd { border: none; }
ul {margin:0;padding:0;list-style:none;}
a { text-decoration: none; cursor: pointer; }

input, textarea { outline: none; }
.clear:after { content: "."; font-size: 0; display: block; height: 0; clear: both; visibility: hidden; }
.clear { display: inline-block; zoom: 1; display: block; }