编写友好的Html和CSS代码

  1. * {  margin: 0; padding: 0; }
  2. .wrapper { width: 300px; height: 300px; margin: 30px; border-right: 1px solid #CCC; border-bottom: 1px solid #CCC; overflow: hidden; }
  3. .wrapper div { width: 99px; height: 99px; border: 1px solid #CCC; float: left; margin:0 -1px -1px 0; }
  1. <div class="wrapper">
  2.     <div></div>
  3.     <div></div>
  4.     <div></div>
  5.     <div></div>
  6.     <div></div>
  7.     <div></div>
  8.     <div></div>
  9.     <div></div>
  10.     <div></div>
  11. </div>