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/*清除外边距*/
body, h1, h2, h3, h4, h5, h6, hr, p, blockquote, figure, /*结构元素*/
dl, dt, dd, ul, ol, li, /*列表元素*/
fieldset, lengend, button, input, textarea, /*表单元素*/
th, td, /*表格元素*/
pre /*文本格式元素*/ {
margin: 0;
}
/*清除内边距*/
ul, ol, menu {
padding: 0;
/*重置列表元素*/
ul, ol {
list-style: none;
/*将字体扶正*/
address, cite, dfn, em, var {
font-style: normal;
/*清下划线*/
a {
text-decoration: none;
color: black;
/*鼠标略过a标签，显示下划线*/
a:hover {
/* text-decoration: underline; */
/*清浮动*/
.clear:after {
content: '';
display: block;
clear: both;
