* {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
  }
  body,
  h1,
  h2,
  h3,
  h4,
  h5,
  h6,
  ul,
  li,
  dl,
  dd,
  dt,
  input,
  textarea,
  p {
    margin: 0;
    padding: 0;
  }
  html,
  body {
    width: 100%;
    height: 100%;
  }
  html {
    font-size: 16px;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
  }
  body {
    font: 12px 'Microsoft YaHei', "PingFang SC", 'Heiti SC', 'Droidsansfallback', 'Helvetica', 'Arial', '\5b8b\4f53', 'Helvetica';
    background-color: #fff;
  }
  ul,li {
    list-style: none;
  }
  a {
    color: #404040;
    display: block;
  }
  a,
  a:hover {
    text-decoration: none;
  }
  a img {
    border: none;
  }
  i,
  s,
  b,
  em,
  u {
    font-style: normal;
    font-weight: normal;
    text-decoration: none;
  }
  textarea,
  input,
  button {
    border: none;
  }
  select::-ms-expand {
    display: none;
  }
  textarea {
    resize: none;
    overflow: hidden;
  }
  table {
    border-collapse: collapse;
  }
  input,
  textarea,
  button,
  select,
  input:focus,
  textarea:focus,
  input[type=button],
  input[type=submit],
  button,
  input[type=reset] {
    -moz-appearance: button;
    border-radius: 0;
    outline: none;
  }
  input::-ms-clear {
    display: none;
  }
  .clear{
      clear: both;
  }
  a,
  button,
  input,
  textarea {
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
  }
  :-moz-placeholder {
    color: #a9a9a9;
    opacity: 1;
    font-size: 12px;
  }
  ::-moz-placeholder {
    color: #a9a9a9;
    opacity: 1;
    font-size: 12px;
  }
  input:-ms-input-placeholder {
    color: #a9a9a9;
    opacity: 1;
    font-size: 12px;
  }
  input::-webkit-input-placeholder {
    color: #a9a9a9;
    opacity: 1;
    font-size: 12px;
  }
  textarea:-ms-input-placeholder {
    color: #a9a9a9;
    opacity: 1;
    font-size: 12px;
  }
  textarea::-webkit-input-placeholder {
    color: #a9a9a9;
    opacity: 1;
    font-size: 12px;
  }
  input:-webkit-autofill {
    -webkit-box-shadow: 0 0 0 1000px white inset;
  }
  input:focus,
  textarea:focus {
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
    -webkit-user-modify: read-write-plaintext-only;
  }
  input:focus::-webkit-input-placeholder,
  textarea:focus::-webkit-input-placeholder {
    opacity: 0;
  }