html {
  height: 100%;
  color: #000;
  background: #fff;
}
body {
  height: 100%;
  font-family: 'Helvetica Neue', Helvetica, Aria, 'Microsoft YaHei', sans-serif;
}
body,
div,
dl,
dt,
dd,
ul,
ol,
li,
h1,
h2,
h3,
h4,
h5,
h6,
pre,
code,
form,
fieldset,
legend,
input,
button,
textarea,
p,
blockquote,
th,
td {
  margin: 0;
  padding: 0;
  outline: 0;
  font-size: 12px;
  font-weight: normal;
}
table {
  border-spacing: 0;
  border-collapse: collapse;
}
fieldset,
img {
  border: 0;
}
a {
  text-decoration: none;
  color: #000;
}
address,
caption,
cite,
code,
dfn,
em,
strong,
th,
var {
  font-weight: normal;
  font-style: normal;
}
ol,
ul {
  list-style: none;
}
caption,
th {
  text-align: left;
}
q:before,
q:after {
  content: '';
}
abbr,
acronym {
  font-variant: normal;
  border: 0;
}
/* to preserve line-height and selector appearance */
sup {
  vertical-align: text-top;
}
sub {
  vertical-align: text-bottom;
}
input,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
  font-weight: inherit;
}
/*to enable resizing for IE*/
input,
textarea,
select {
  *font-size: 100%;
}
/*because legend doesn't inherit in IE */
legend {
  color: #000;
}
textarea {
  resize: none; }//调整尺寸属性
.clear-float:after {
  height: 0;
  display: block;
  visibility: hidden;
  clear: both;
  content: '';
}
.clear-float {
  zoom: 1;
}
