CSS显示红黄绿灰小图片

<style> .zhuangtai1{ width:15px; height:15px; background:#F00; border-radius:10px; display:block} </style><table> <tr> <td> <i class="zhuangtai1"></i> </td> </tr> <tr> <td> <i class="zhuangtai1" style="background:#060"></i> </td> </tr> <tr> <td> <i class="zhuangtai1" style="background:#F90"></i> </td> </tr> <tr> <td> <i class="zhuangtai1" style="background:#666"></i> </td> </tr> </table>可以后台直接根据不同状态直接输出<i></i>