html,
body,
div,
section,
header,
footer,
aside,
ul,
ol,
li,
table,
tr,
th,
td,
button,
input,
textarea,
select,
h1,
h2,
h3,
h4,
h5,
h6,
em,
i,
strong,
p,
span,
blockquote {
  margin: 0;
  padding: 0;
  font-family: "Microsoft Yahei", Arial;
}

h1,
h2,
h3,
h4,
h5,
h6,
em,
i,
strong,
input,
textarea,
button,
select {
  font-weight: normal;
  font-style: normal;
  font-size: 100%;
}

ul,
ol {
  list-style: none;
  vertical-align: top;
}

table,
td,
th {
  border-collapse: collapse;
  border-spacing: 0;
}

input,
button,
select,
textarea {
  outline: none;
  background: none;
}

textarea {
  resize: none;
}

img,
a img {
  border: none;
  vertical-align: top;
}

a,
a:link,
a:active,
a:visited {
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

html {
  height: 100%;
}

body {
  font-size: 14px;
  font-family: "Microsoft Yahei", Arial;
  color: #666;
  height: 100%;
}

.clear:after {
  content: "";
  display: block;
  clear: both;
  visibility: hidden;
  height: 0;
}