.bs{-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box}
.wf{width:100% !important}
.w50{width:50px !important}
.w80{width:80px !important}
.w100{width:100px !important}
.w140{width:140px !important}
.w160{width:160px !important}
.w180{width:180px !important}
.w190{width:190px !important}
.w200{width:200px !important}
.w220{width:220px !important}
.w240{width:240px !important}
.w300{width:300px !important}
.w400{width:400px !important}
.w500{width:500px !important}
.w700{width:700px !important}
.mb10 {margin-bottom: 10px !important;}
.mt30 {margin-top: 30px !important;}
.mt50 {margin-top: 50px !important;}
.fl {float:left !important;}
.mr30 {margin-right:30px !important;}