html, body, div, span, object, iframe,h1, h2, 
h3, h4, h5, h6, p, blockquote, pre,abbr, address, cite, code,del, dfn, 
em, img, ins,kbd, q, samp,small, strong, sub, sup, var,b, i,dl, dt, dd, 
ol, ul, li,fieldset, form, label, legend,table, caption, tbody, 
tfoot,thead,tr, th, td,article, aside, canvas, details, figcaption, 
figure, footer, header, hgroup, menu, nav, section, summary,time, mark, 
audio, video {
    margin: 0;
    padding: 0;
    border: 0;
    outline: 0;
    font-size: 100%;
    vertical-align: baseline;
    background: transparent;
    outline-style: none;
    max-width: 100%;
}
body {
  line-height: 1;
  color: #111;
  font-family: 'MicrosoftYaHei';
}

a {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  vertical-align: baseline;
  background: transparent;
  text-decoration: none;
  color: #111;
}

a:hover,a:focus{
  text-decoration: none;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}
 
input, select {
  vertical-align: middle;
  outline: none;
  border: 0;
}

li {
  list-style: none;
}

/*css为clearfix，清除浮动*/
.fl {
  float: left;
}
.fr {
  float: right;
}
.clearfix::before,
.clearfix::after {
  content: "";
  height: 0;
  line-height: 0;
  display: block;
  visibility: hidden;
  clear: both;
}

.clearfix:after {
  clear: both;
} 

.clearfix{ 
  *zoom: 1;/*IE/7/6*/
}