html {
  /* 设置通用字体 */
  font-family: "Microsoft YaHei", "Helvetica Neue", Helvetica, STHeiTi, sans-serif;
  /* chrome字体禁止缩放 */
  -webkit-text-size-adjust: 100%;
  /* 设置初始rem基准值 */
  font-size: 20px;
  min-height: 100%;
}

html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed, 
figure, figcaption, footer, header, hgroup, 
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
  /* 清楚默认外边距 */
  margin: 0;
  /* 去除默认内边距 */
  padding: 0;
}

a,input,textarea,select,button{
  /* 去除外框 */
  outline: 0;
  /* 去除聚焦时的阴影 */
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
  -webkit-tap-highlight-color: transparent;
}

a{
	/* 去除下划线 */
	text-decoration: none;
}
a:active{
	outline: 0;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
  -webkit-tap-highlight-color: transparent;
}

table {
  /* 把表格边框显示为一条单独的边框 */
  border-collapse: collapse;
  /* 设置相邻单元格的边框间的距离为0 */
  border-spacing: 0
}

img, input, button {
  /* 去除边框 */
  border: none;
}

img {
  content: normal!important
}

li {
  /* 去除默认圆点 */
  list-style: none;
}

img {
  /* 使图片靠上对其 */
  vertical-align: top;
  /* 图片自适应 */
  max-width: 100%;
  height: auto;
}

input,textarea,select,button{
	/* 清除ios默认圆角 */
	border-radius: 0;
}
button, html input[type="button"], input[type="reset"], input[type="submit"] {
  /* 统一表单的样子 */
  -webkit-appearance: button;
}
input[type="number"]::-webkit-inner-spin-button, input[type="number"]::-webkit-outer-spin-button {
  height: auto;
}
input[type="search"] {
  /* 统一搜索框的样式 */
  -webkit-appearance: textfield;
  -webkit-box-sizing: content-box;
  box-sizing: content-box;
}
input[type="search"]::-webkit-search-cancel-button, input[type="search"]::-webkit-search-decoration {
  -webkit-appearance: none;
}