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Home Web Front-end HTML Tutorial Why the referenced external style sheet is useless_html/css_WEB-ITnose

Why the referenced external style sheet is useless_html/css_WEB-ITnose

Jun 24, 2016 pm 12:00 PM
external Quote

这是 html 





无标题文档




text




这是 css

@charset "utf-8";
/* CSS Document */

html{height:100%;border:none;}
body{height:100%;border:none;padding:0;margin:0;text-align:center;font-size:14px;color:#000;background-color:#FFF;}
div,ul,li,img{margin:0;padding:0;border:none;}
ul{list-style-type:none;}
table,input{font-size:12px;}
a:link{ color:#09F; text-decoration:none;  }
a:visited{ color:#09F; text-decoration:none;  }
a:hover{ color:#09F; text-decoration:none;  }
a:active{ color:#09F; text-decoration:none;  }

.mass{width:762px;}
.center{text-align:center;}
.clear{ clear:both;visibility:hidden;font-size:0px;}


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怎么让这个框居中呢
css码

@charset "utf-8";
/* CSS Document */

html{height:100%;border:none;}
body{height:100%;border:none;padding:0;margin:0;text-align:center;font-size:14px;color:#000;background-color:#FFF;}
div,ul,li,img{margin:0;padding:0;border:none;}
ul{list-style-type:none;}
table,input{font-size:12px;}
a:link{ color:#09F; text-decoration:none;  }
a:visited{ color:#09F; text-decoration:none;  }
a:hover{ color:#09F; text-decoration:none;  }
a:active{ color:#09F; text-decoration:none;  }

.mass{width:1024px;}
.center{text-align:center;}
.clear{ clear:both;visibility:hidden;font-size:0px;}
.border{ border:#F00 solid 1px;}



html 码




无标题文档




text



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