1、新建html文档。
3、书写css代码。<style>* { margin: 0; padding: 0 }htm造婷用痃l { overflow-y: scroll }body, h1, h2, h3, p, div, dl, dt, dd, ul, ol, li, table, th, td, form, button, input, textarea, legend, hr { padding: 0; margin: 0 }body { padding: 0; margin: 0; color: #333; font: 12px/18px "微软雅黑", arial; height: 1000% }button, input, select, textarea { font-size: 100% }textarea { font: 14px/20px "微软雅黑" }button { border: 0 }li { list-style: none }img { border: 0; }a { color: #06c; text-decoration: none; cursor: pointer; outline: none; hide-focus:expression(this.hideFocus = true);}a:hover { color: #06c; text-decoration: underline }.left{ float:left;}.right{ float:right;}.clear:after,ul:after{content:"";display:block;visibility:hidden;height:0;clear:both;}.clear,.area,.con:after{zoom:1}div{ width:300px; height:400px;}.d1{ background:red;}.d2{ background:#666;}.d3{ background:#063;}.d4{ background:#606;}</style>
5、代码整体结构。
