html {
  font: 12px 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;
  }
dl,
dt,
dd,
ul,
ol,
li {
  margin: 0;
  padding: 0;
}
li {
  list-style: none;
}
.fl {
  float: left;
  display: inline;
}
/*消除ie6浮动产生的双边距*/
.fr {
  float: right;
  display: inline;
}
/*消除ie6浮动产生的双边距*/
.clear {
  clear: both;
}
.clearfix:after {
  content: ".";
  display: block;
  height: 0;
  clear: both;
  visibility: hidden;
}
.clearfix {
  *zoom: 1;
}
.none {
  display: none;
}
.hide {
  display: none;
}
article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
main,
menu,
nav,
section,
summary {
  display: block;
}
a {
  text-decoration: none;
}
a:active,
a:hover {
  outline: 0;
  text-decoration: none;
}
b,
strong {
  font-weight: bold;
}
h1,
h2,
h3,
h4,
h5,
h6 {
  font-size: 100%;
  font-weight: normal;
}
img {
  border: 0;
  display: block;
}
hr {
  box-sizing: content-box;
  height: 0;
}
button,
input,
optgroup,
select,
textarea {
  color: inherit;
  font: inherit;
  margin: 0;
}
button,
html input[type="button"],
input[type="reset"],
input[type="submit"] {
  -webkit-appearance: button;
  cursor: pointer;
}
button::-moz-focus-inner,
input::-moz-focus-inner {
  border: 0;
  padding: 0;
}
textarea {
  overflow: auto;
  resize: none;
}
table {
  border-collapse: collapse;
  border-spacing: 0;
}