*,
*:before,
*:after {
  box-sizing: border-box;
  outline: none;
  text-size-adjust: none;
}
html, body {
  height: 100%;
  font-size: 50px;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

body {
  background-color: #f7f7f7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  font-family: arial, sans-serif;
}

body, h1, h2, h3, h4, h5, h6, hr, p, blockquote, dl, dt, dd, ul, ol, li, pre, form, fieldset, legend, button, input, textarea, th, td, iframe {
  margin: 0;
  padding: 0;
}

img, article, aside, details, figcaption, figure, footer, header, menu, nav, section, summary, time, mark, audio, video {
  display: block;
  margin: 0;
  padding: 0;
}

fieldset, img {
  border: 0;
}

address, caption, cite, dfn, em, th, var, i, em {
  font-style: normal;
  font-weight: normal;
}

ol, ul {
  list-style: none;
}

a {
  text-decoration: none;
  color: inherit;
  &:hover {
    text-decoration: none;
  }
}

a, label, button, input, select {
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

input, select, button {
  font:100% tahoma, "\5b8b\4f53", arial;
  vertical-align: baseline;
  border-radius: 0;
  background-color: transparent;
}

select {
  -webkit-appearance: none;
  -moz-appearance: none;
}

button::-moz-focus-inner,
input[type="reset"]::-moz-focus-inner,
input[type="button"]::-moz-focus-inner,
input[type="submit"]::-moz-focus-inner,
input[type="file"] > input[type="button"]::-moz-focus-inner {
  border: none;
}

input[type=checkbox], input[type=radio] {
  vertical-align: middle;
}

input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none !important;
  -moz-appearance: none !important;
  margin: 0;
}

input:-webkit-autofill {
  -webkit-box-shadow: 0 0 0 1000px white inset;
}

input[type=search],input[type=tel],input[type=text],input {
  -webkit-appearance: none;  /*去除系统默认的样式*/
  -webkit-box-sizing: content-box;
  font-family: inherit;
  /* font-size: 100%; */
  box-sizing: border-box;
}

input::-webkit-search-decoration,
input::-webkit-search-cancel-button {
  display: none;
}

textarea {
  outline: none;
  border-radius: 0;
  -webkit-appearance: none;
  -moz-appearance: none;
  overflow: auto;
  resize: none;
  font: 100% tahoma, "\5b8b\4f53", arial;
}


textarea::-webkit-input-placeholder, input::-webkit-input-placeholder { /* WebKit browsers */
    color: #CCC;
}
textarea:-moz-placeholder ,input:-moz-placeholder { /* Mozilla Firefox 4 to 18 */
   color: #CCC;
   opacity:  1;
}
textarea::-moz-placeholder, input::-moz-placeholder { /* Mozilla Firefox 19+ */
   color: #CCC;
   opacity:  1;
}
textarea:-ms-input-placeholder, input:-ms-input-placeholder { /* Internet Explorer 10+ */
   color: #CCC;
}