/* 样式重置 */
* {
    -ms-box-sizing: border-box;
    -moz-box-sizing: border-box;
    -o-box-sizing: border-box; 
    -webkit-box-sizing: border-box; 
            box-sizing: border-box;
    -webkit-tap-highlight-color:transparent;
  }
  body, h1, h2, h3, h4, h5, h6, hr, p, blockquote, figure, nav, footer, header,
  dl, dt, dd, ul, ol, li,
  fieldset, lengend, button, input, textarea,
  th, td, tr,
  pre {
    margin: 0;
  }
  ul, ol, menu, td {
    padding: 0;
  }
  ul, ol {
    list-style: none;
  }
  address, cite, dfn, em, var {
    font-style: normal;
  }
  a {
    text-decoration: none;
    color: black;
  }
  .clearFloat {
      zoom: 1;
  }
  .clearFloat:after {
    content: '';
    display: block;
    clear: both;
  }
  img {
      border: none;
      display: block;
  }
  button{
    outline: none;
    background-color: transparent;
    border: none;
    padding: 0;
    margin: 0;
    cursor: pointer;
  }
  input,
  select{
    outline: none;
    background-color: transparent;
  }
  textarea{
    outline: none;
  }
  form{
    margin: 0;
    padding: 0;
  }