| op在火狐中并没有显示，而在IE中却出现了10像素的上边距。 HTML代码
<body>
<div id="wrapper">
<div id="masthead">
masthead content goes here
</div>
<div id="sidebar">
sidebar content goes here
</div>
<div id="content">
main content goes here
<br/>
main content goes here
</div>
<div id="footer">
footer
</div>
</div>
</body>CSS代码 body {}{
margin:0; padding:0;
background-color:#FFFFCC;
}
#wrapper {}{
width:800px;
margin:0 auto;
}
/**//*Masthead*/
#masthead {}{
padding:10px;
background:#FFCC33;
margin-bottom:10px;
}
/**//*Content*/
#content {}{
float:left;
width:60%;
background:#CCCCCC;
}
/**//*Sidebar*/
#sidebar {}{
float:right;
width:36%;
background:#999999;
}
/**//*Footer*/
#footer {}{
clear:both;
padding:10px;
background:#FFCC33;
} |
