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body {
font-family: arial, 宋体, serif;
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#nav a {
display: block; 80px; text-align:center;
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#nav a:link {
color:#666; text-decoration:none;
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#nav a:visited {
color:#666;text-decoration:none;
}
#nav a:hover {
color:#FFF;text-decoration:none;font-weight:bold;
}
#nav li {
float: left; 80px; background:#CCC;
}
#nav li a:hover{
background:#999;
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#nav li ul {
line-height: 27px; list-style-type: none;text-align:left;
left: -999em; 180px; position: absolute;
}
#nav li ul li{
float: left; 180px;
background: #F6F6F6;
}
#nav li ul a{
display: block; 180px; 156px;text-align:left;padding-left:24px;
}
#nav li ul a:link {
color:#666; text-decoration:none;
}
#nav li ul a:visited {
color:#666;text-decoration:none;
}
#nav li ul a:hover {
color:#F3F3F3;text-decoration:none;font-weight:normal;
background:#C00;
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#nav li:hover ul {
left: auto;
}
#nav li.sfhover ul {
left: auto;
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