html,
body {
height: 100%;
}
body {
line-height: 1;
}
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 {
margin: 0;
padding: 0
}
body,
button,
input,
select,
textarea,
pre {
font-size: 12px;
font-family: Arial, Helvetica, STHeiti, "宋体"
}
h1,
h2,
h3,
h4,
h5,
h6 {
font-size: 100%;
}
/*font-size: 100%; 如果父元素中尺寸没设置，就会一直追溯到body和html上的字体设置,比方说html{font:12px/1.5 Tahoma, Helvetica, Arial,sans-serif;color:#747474} 100%就是12px；*/
address,
cite,
dfn,
em,
var {
font-style: normal;
}
code,
kbd,
pre,
samp {
font-family: couriernew, courier, monospace;
}
small {
font-size: 12px;
}
ul,
ol {
list-style: none;
}
/* 去除列表的原点 */
fieldset,
img {
border: 0;
}
/* 去除边框 */
a {
text-decoration: none;
}
/* 去除a标签默认的下划线 */
a:hover {
text-decoration: underline;
}
/* 设置a标签划过的时候下划线 */
sup {
vertical-align: text-top;
}
sub {
vertical-align: text-bottom;
}
button,
input,
select,
textarea {
font-size: 100%;
}
table {
border-collapse: collapse;
border-spacing: 0;
}
/* 设置table边框很是方便的 */
/* 设置上标和下标 */
/* 清除浮动 防止父级塌陷 */
.clearfix:before,
.clearfix:after {
content: ' ';
display: table;
}
.clearfix:after {
clear: both;
}
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