body,div,ul,li,p,h1,h2,h3,h4,h5,h6,table,tr,td,input,button,textarea,th,pre,form{padding: 0;margin: 0;}
table{border-collapse:collapse;border-spacing:0;}
fieldset,img {border:0;}
address,caption, cite,code,dfn,em,strong,th,var{font-style:normal;font-weight:normal;}
ol,ul,li{list-style:none;}
h1,h2,h3,h4,h5,h6{font-size:100%;font-weight:normal;}
a{text-decoration: none;}
a:hover{text-decoration: none;}
.db{display: block;}
.dib{display: inline-block;}
#container{margin-left: auto;margin-right: auto;}
#row{overflow: hidden;}
.cl{clear: both;}
.re{position: relative;}
.ab{position: absolute;}
body, input, button, select, textarea {font: 12px/1.5 Tahoma,Helvetica,'SimSun',sans-serif;color: #444;}


.f12{font-size: 12px;}
.f14{font-size: 14px;}
.f16{font-size: 16px;}
.f18{font-size: 18px;}
.f20{font-size: 20px;}

.left{float: left;}
.right{float: right;}
.overflow{overflow: hidden;}
.relative{position: relative;}
.absolute{position: absolute;}
.mg{margin-left: auto;margin-right: auto;}


.padd10{padding: 10px;}
.padd5{padding: 5px;}
.padd15{padding: 15px;}
.padd20{padding: 20px;}
.padd30{padding: 30px;}
.padd40{padding: 40px;}

.pl5{padding-left: 5px;}
.pl10{padding-left: 10px;}
.pl5{padding-left: 15px;}
.pl20{padding-left: 20px;}
.pl30{padding-left: 30px;}

.pr5{padding-right:5px;}
.pr10{padding-right:10px;}
.pr15{padding-right:15px;}
.pr20{padding-right:20px;}
.pr30{padding-right:30px;}

.pt5{padding-top: 5px;}
.pt10{padding-top: 10px;}
.pt5{padding-top: 15px;}
.pt20{padding-top: 20px;}
.pt30{padding-top: 30px;}

.pb5{padding-bottom:5px;}
.pb10{padding-bottom:10px;}
.pb15{padding-bottom:15px;}
.pb20{padding-bottom:20px;}
.pb30{padding-bottom:30px;}

.mg5{margin: 5px;}
.mg15{margin: 10px;}
.mg20{margin: 15px;}
.mg25{margin: 20px;}
.mg30{margin: 30px;}

.mt5{margin-top: 5px;}
.mt10{margin-top: 10px;}
.mt15{margin-top: 15px;}
.mt20{margin-top: 20px;}
.mt30{margin-top: 30px;}

.mb5{margin-bottom: 5px;}
.mb10{margin-bottom: 10px;}
.mb15{margin-bottom: 15px;}
.mb20{margin-bottom: 20px;}
.mb30{margin-bottom: 30px;}

.ml5{margin-left: 5px;}
.ml10{margin-left: 10px;}
.ml15{margin-left: 15px;}
.ml20{margin-left: 20px;}
.ml30{margin-left: 30px;}

.mr5{margin-right: 5px;}
.mr10{margin-right: 10px;}
.mr15{margin-right: 15px;}
.mr20{margin-right: 20px;}
.mr30{margin-right: 30px;}

.lh30{line-height: 30px;}
.lh20{line-height: 20px;}
.lh22{line-height: 22px;}
.lh35{line-height: 35px;}
.lh40{line-height: 40px;}