#nav{
    height:35px;
    border-bottom:;     /*色はかわらず*/
    position:fixed;
    top:2px;
    left:0px;
    right:0px;
    z-index:999999;
}
#nav ul{
    height:25px;
    list-style:none;
    width:768px;   /*600px*/
}
#nav ul li{
    display:inline;
    float:left;
    margin:0px 2px;
}
#nav a{
    font-size:11px;
    font-weight:;
    float:left;
    padding: 2px 4px;
    color:#999;   /*文字の色*/
    text-decoration: none;
    border:1px solid #777;   /*線の色*/
    cursor: pointer;
 
    height:11px;
    line-height:11px;
}
#nav a:hover{
    background:#777 none;
    color: #fff;  /*文字の色*/
}