.w100 {width: 100px;}
.w200 {width: 200px;}
.w300 {width: 300px;}
.w400 {width: 400px;}
.w500 {width: 500px;}
.w600 {width: 600px;}
.fright {float: right;}
.fleft {float: left;}
.cwhite {color: #fff;}
.twide {text-align:justify;}