CSS自定义默认样式

html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym, address, big, cite, code, del, dfn, em, img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, b, u, i, center, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, canvas, details, embed, figure, figcaption, footer, header, hgroup, menu, nav, output, ruby, section, summary, time, mark, audio, video {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
  vertical-align: baseline;
  outline: none;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}
html { height: 101%; }
body { font-size: 62.5%; line-height: 1; font-family: "微软雅黑",Arial, Tahoma, sans-serif;background: #F7F7F7;}

article, aside, details, figcaption, figure, footer, header, hgroup, menu, nav, section { display: block; }
ol, ul { list-style: none; }

blockquote, q { quotes: none; }
blockquote:before, blockquote:after, q:before, q:after { content: ‘‘; content: none; }
strong { font-weight: bold; } 

table { border-collapse: collapse; border-spacing: 0; }
img { border: 0; max-width: 100%; }

p { font-size: 1.2em; line-height: 1.0em; color: #333; }
.center{text-align: center;}
.bgbai{background: #fff;}
.colorm{color: #393939;}
.colorz{color: #a28462;}
.colort{color: #7d7d7d;}
.color53{color: #535353;}
.color64{color:#646464;}
.colorF{color: #fff;}
.w100{width: 100%;}
.w1440,.wrap{width: 1440px;margin: 0 auto;}
.clearfix:after {content: ".";clear: both;display: block;height: 0;overflow: hidden;visibility: hidden;}
.clearfix{clear:both;z-index:1;}
.fl{float: left;}
.fr{float: right;}
.mt5{margin-top: 5px;}
.mt10{margin-top: 10px;}
.mt15{margin-top: 15px;}
.mt20{margin-top: 20px;}
.mt25{margin-top: 25px;}
.mt30{margin-top: 30px;}
.mt35{margin-top: 35px;}
.mt40{margin-top: 40px;}
.mt45{margin-top: 45px;}
.mt50{margin-top: 50px;}
.mt60{margin-top: 60px;}
.mb10{margin-bottom: 10px;}
.mb15{margin-bottom: 15px;}
.mb20{margin-bottom: 20px;}
.mb25{margin-bottom: 25px;}
.mb30{margin-bottom: 30px;}
.mb35{margin-bottom: 35px;}
.mb40{margin-bottom: 40px;}
.mb45{margin-bottom: 45px;}
.mb50{margin-bottom: 50px;}
.mb60{margin-bottom: 60px;}
.mb80{margin-bottom: 80px;}
.mb100{margin-bottom: 100px;}
.mr10{margin-right: 10px;}
.ml10{margin-left: 10px;}
.mr15{margin-right: 15px;}
.ml15{margin-left: 15px;}
.mr20{margin-right: 20px;}
.ml20{margin-left: 20px;}
.mr25{margin-right: 25px;}
.ml25{margin-left: 25px;}
.mr30{margin-right: 30px;}
.ml30{margin-left: 30px;}
.mr35{margin-right: 35px;}
.ml35{margin-left: 35px;}
.mr40{margin-right: 40px;}
.ml40{margin-left: 40px;}
.mr45{margin-right: 45px;}
.ml45{margin-left: 45px;}
.mr50{margin-right: 50px;}
.ml50{margin-left: 50px;}
.pt10{padding-top: 10px;}
.pt15{padding-top: 15px;}
.pt20{padding-top: 20px;}
.pt25{padding-top: 25px;}
.pt30{padding-top: 30px;}
.pt35{padding-top: 35px;}
.pt40{padding-top: 40px;}
.pt45{padding-top: 45px;}
.pt50{padding-top: 50px;}
.pt60{padding-top: 60px;}
.pb10{padding-bottom: 10px;}
.pb15{padding-bottom: 15px;}
.pb20{padding-bottom: 20px;}
.pb25{padding-bottom: 25px;}
.pb30{padding-bottom: 30px;}
.pb35{padding-bottom: 35px;}
.pb40{padding-bottom: 40px;}
.pb45{padding-bottom: 45px;}
.pb50{padding-bottom: 50px;}
.pb60{padding-bottom: 60px;}
.pr10{padding-right: 10px;}
.pl10{padding-left: 10px;}
.pr15{padding-right: 15px;}
.pl15{padding-left: 15px;}
.pr20{padding-right: 20px;}
.pl20{padding-left: 20px;}
.pr25{padding-right: 25px;}
.pl25{padding-left: 25px;}
.pr30{padding-right: 30px;}
.pl30{padding-left: 30px;}
.pr35{padding-right: 35px;}
.pl35{padding-left: 35px;}
.pr40{padding-right: 40px;}
.pl40{padding-left: 40px;}
.pr45{padding-right: 45px;}
.pl45{padding-left: 45px;}
.pr50{padding-right: 50px;}
.pl50{padding-left: 50px;}
.pr60{padding-right: 60px;}
.pl60{padding-left: 60px;}
.pr80{padding-right: 80px;}
.pl80{padding-left: 80px;}
.pr100{padding-right: 100px;}
.pl100{padding-left: 100px;}
.fs12{font-size: 12px;}
.fs14{font-size: 14px;}
.fs16{font-size: 16px;}
.fs18{font-size: 18px;}
.fs20{font-size: 20px;}
.fs22{font-size: 22px;}
.fs24{font-size: 24px;}
.fs25{font-size: 25px;}
.fs26{font-size: 26px;}
.fs28{font-size: 28px;}
.fs30{font-size: 30px;}
.fs32{font-size: 32px;}
.fs34{font-size: 34px;}
.fs36{font-size: 36px;}
.fs38{font-size: 38px;}
.fs40{font-size: 40px;}
.fs50{font-size: 50px;}
.lh1{line-height: 1;}
.lh12{line-height: 1.2;}
.lh15{line-height: 1.5;}
.lh18{line-height: 1.8;}
.lh2{line-height: 2;}
.lh22{line-height: 2.2;}
.lh24{line-height: 2.4;}
.lh25{line-height: 2.5;}
.lh26{line-height: 2.6;}
.lh28{line-height: 2.8;}

/*底部*/
.footer{
    padding:50px 0;
    background: #393939;
    color: #fff;
    font-size: 20px;
    text-align: center;
    margin-top: 40px;
}