/*基础库，原子库*/
*{padding: 0;margin: 0;}
html{background: #f2f2f2;}
body{font-size: 16px;color: #333;}
img{border: none;}
ul{list-style-type: none;}
a{text-decoration: none;color:#333}
.fff{color: #fff;}
.fff_b{background-color: #fff;}

.pointer{cursor: pointer;}
.hide{display: none;}

.tc{text-align: center !important;}
.tr{text-align: right !important;}
.tl{text-align: left !important;}

/*定为*/
.pr{position: relative !important;}
.pa{position: absolute !important;}
.pf{position: fixed !important;}
.fl{float: left !important;}
.fr{float: right !important;}
.oh{overflow: hidden !important;}
.l0{left: 0 !important;}
.l5{left: 5px !important;}
.l10{left: 10px !important;}
.r0{right: 0 !important;}
.r5{right: 5px !important;}
.r10{right: 10px !important;}
.t0{top: 0 !important;}
.t5{top: 5px !important;}
.b0{bottom: 0 !important;}
.b5{bottom: 5px !important;}
.b10{bottom: 10px !important;}

/*间距*/
.mt5{margin-top: 5px !important;}
.mt10{margin-top: 10px !important;}
.mt50{margin-top: 50px !important;}
.ml5{margin-left: 5px !important;}
.ml10{margin-left: 10px !important;}
.mr5{margin-right: 5px !important;}
.mr10{margin-right: 10px !important;}



.mb0{margin-bottom: 0 !important;}
.mb5{margin-bottom: 5px !important;}
.mb10{margin-bottom: 10px !important;}
.mb20{margin-bottom: 20px !important;}

.p10{padding: 10px;}
.pt5{padding-top: 5px !important;}
.pt10{padding-top: 10px !important;}

.pb5{padding-bottom: 5px !important;}
.pb10{padding-bottom: 10px !important;}
.pl5{padding-left: 5px !important;}
.pl10{padding-left: 10px !important;}
.pl50{padding-left: 50px !important;}
.pr5{padding-right: 5px !important;}
.pr10{padding-right: 10px !important;}
.pr30{padding-right: 30px !important;}
.pr50{padding-right: 50px !important;}

/*字体大小*/
.fb{font-weight: bold !important;}
.fn{font-weight: normal !important;}
.f12{font-size: 12px !important;}
.f14{font-size: 14px !important;}
.f16{font-size: 16px !important;}
.f18{font-size: 18px !important;}
.f20{font-size: 20px !important;}
.f25{font-size: 25px !important;}
.f30{font-size: 30px !important;}


/*宽高*/
.w_100{width: 100%;}