html, body {
    height: 100%;
   
  }
  /* html{
    height:1000px;
    } */
    body {
      margin: 0;
  /*font-size:1.2rem; */
      font-family: 'microsoft yahei', arial,helvetica,sans-serif,'arial narrow',helvetica;-webkit-text-size-adjust:100%;
     /*overflow-x: hidden;*/
    
    }
  
    img {
      border: none;
    }
  
    a {
      text-decoration: none;
      cursor:pointer;
    }
  
    p,h1,h2,h3,h4{
      margin: 0;
    }
  
    ul {
      margin: 0;
      padding: 0;
      list-style: none;
    }
  
    .clear:after{
      display: block;
      content:'';
      clear:both;
    }
    .clear{
      *zoom:1;
    }
  
    .ma{
      margin:0 auto;
    }
  
    .layout{
      width: 100%;
    }
  
    .fl{
      float:left;
    }
  
    .fr{
      float:right;
    }