#mbt-menu, #mbt-menu ul {
    margin: 0;
    padding: 0;
    list-style: none;
    }
    #mbt-menu {
    width: 550px;
    margin-top:15px;
    }
    #mbt-menu:before,
    #mbt-menu:after {
    content: "";
    display: table;
    }
    #mbt-menu:after {
    clear: both;
    }
    #mbt-menu {
    zoom:1;
    }
    #mbt-menu li {
    float: left;
    position: relative;
    }
    #mbt-menu a {
    float: left;
    padding: 10px 10px;
	color:#333;
    text-transform: uppercase;
    font: bold 11px Arial, Helvetica;
    text-decoration: none;
    text-shadow: 0 1px 0 #999;
    }
    #mbt-menu li:hover > a {
    color:#F96;
    }
    *html #mbt-menu li a:hover { /* IE6 only */
    color:#F00;
    }
    #mbt-menu ul {
    margin: 15px 0 0 0;
    _margin: 0; /*IE6 only*/
    opacity: 0;
    visibility: hidden;
    position: absolute;
    top: 30px;
    left: 0;
    z-index: 9999;
    background:#FFF;
    background: -moz-linear-gradient(#FFF, #FFC);
    background: -webkit-linear-gradient(#FFF, #FFC);
    background: -o-linear-gradient(#FFF, #FFC);
    background: -ms-linear-gradient(#FFF, #FFC);
    background: linear-gradient(#FFF, #FFC);
    -moz-box-shadow: 0 -1px rgba(255,255,255,.3);
    -webkit-box-shadow: 0 -1px 0 rgba(255,255,255,.3);
    box-shadow: 0 -1px 0 rgba(255,255,255,.3);
    -moz-border-radius: 3px;
    -webkit-border-radius: 3px;
    border-radius: 3px;
    -webkit-transition: all .2s ease-in-out;
    -moz-transition: all .2s ease-in-out;
    -ms-transition: all .2s ease-in-out;
    -o-transition: all .2s ease-in-out;
    transition: all .2s ease-in-out;
    }
    #mbt-menu li:hover > ul {
    opacity: 1;
    visibility: visible;
    margin: 0;
    }
    #mbt-menu ul ul {
    top: 0;
    left: 150px;
    margin: 0 0 0 20px;
    _margin: 0; 
    -moz-box-shadow: -1px 0 0 rgba(255,255,255,.3);
    -webkit-box-shadow: -1px 0 0 rgba(255,255,255,.3);
    box-shadow: -1px 0 0 rgba(255,255,255,.3);
    }
    #mbt-menu ul li {
    float: none;
    display: block;
    border: 0;
    _line-height: 0; 
    -moz-box-shadow: 0 1px 0 #FFF, 0 2px 0 #FFF;
    -webkit-box-shadow: 0 1px 0 #FFF, 0 2px 0 #FFF;
    box-shadow: 0 1px 0 #FFF, 0 2px 0 #FFF;
    }
    #mbt-menu ul li:last-child {
    -moz-box-shadow: none;
    -webkit-box-shadow: none;
    box-shadow: none;
    }
    #mbt-menu ul a {
     width: 184px; /* Độ rộng của menu con */
    _height: 10px; /*IE6 only*/
    display: block;
    white-space: nowrap;
    float: none;
    text-transform: none;
    }
    #mbt-menu ul a:hover {
    background-color:#9CF;
    background-image: -moz-linear-gradient(#FFF, #9CF);
    background-image: -webkit-gradient(linear, left top, left bottom, from(#FFF), to(#9CF));
    background-image: -webkit-linear-gradient(#FFF, #9CF);
    background-image: -o-linear-gradient(##FFF, #9CF);
    background-image: -ms-linear-gradient(##FFF, #9CF);
    background-image: linear-gradient(##FFF, #9CF);
    }
    #mbt-menu ul li:first-child > a {
    -moz-border-radius: 3px 3px 0 0;
    -webkit-border-radius: 3px 3px 0 0;
    border-radius: 3px 3px 0 0;
    }
    #mbt-menu ul li:first-child > a:after {
    content: '';
    position: absolute;
    left: 40px;
    top: -6px;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-bottom: 6px solid #FFF;
    }
    #mbt-menu ul ul li:first-child a:after {
    left: -6px;
    top: 50%;
    margin-top: -6px;
    border-left: 0;
    border-bottom: 6px solid transparent;
    border-top: 6px solid transparent;
    
    }
    #mbt-menu ul li:first-child a:hover:after {
    border-bottom-color: #FFF;
    }
    #mbt-menu ul ul li:first-child a:hover:after {
    border-right-color: #FFF;
    border-bottom-color: transparent;
    }
    #mbt-menu ul li:last-child > a {
    -moz-border-radius: 0 0 3px 3px;
    -webkit-border-radius: 0 0 3px 3px;
    border-radius: 0 0 3px 3px;
    }