body{font:12px/1.5 Arial;} input{float:left;font-size:12px;width:150px;font-family:arial;border:1px
solid #ccc;padding:3px;} input.correct{border:1px solid green;} input.error{border:1px
solid red;} #tips{float:left;margin:2px 0 0 20px;} #tips span{float:left;width:50px;height:20px;color:#fff;overflow:hidden;background:#ccc;margin-right:2px;line-height:20px;text-align:center;}
#tips.s1 .active{background:#f30;} #tips.s2 .active{background:#fc0;} #tips.s3
.active{background:#cc0;} #tips.s4 .active{background:#090;}
