#menu li {
    display:inline-block;
    margin: 10px;
    color: #000;
    background:#fff;
    background: rgba(255,255,255, 0.5);
    -webkit-border-radius: 10px;
    border-radius: 10px;
}
#menu li.active{
    background:#666;
    background: rgba(0,0,0, 0.5);
    color: #fff;
}
    #menu li a {
        text-decoration: none;
        color: #000;
    }
#menu li.active a:hover{
    color: #000;
}
#menu li:hover{
    background: rgba(255,255,255, 0.8);
}
#menu li a,
#menu li.active a{
    padding: 9px 18px;
    display:block;
}
#menu li.active a{
    color: #fff;
}
#menu{
    position:fixed;
    top:0;
    left:0;
    height: 40px;
    z-index: 70;
    width: 100%;
    padding: 0;
    margin:0;
}