#nav {
    position: fixed;
    left: 0;
    top: 40px;
    width: 100%;
    z-index: 1000;
    margin: 0;
    padding: 0 20px;
    line-height: 100%;

    font-size: 11px;
    font-weight: bold;

    -webkit-box-shadow: 0 1px 3px rgba(0, 0, 0, .4);
    -moz-box-shadow: 0 1px 3px rgba(0, 0, 0, .4);

    background: #444444; /* for non-css3 browsers */
    color: #59AFCC;
    background-image: -o-linear-gradient(top , #444444, #333333); /* for opera */
    background: -moz-linear-gradient(center top , #444444, #333333) repeat scroll 0 0 transparent;
    background: -webkit-gradient(linear, left top, left bottom, from(#444444), to(#333333)); /* for webkit browsers */
    filter:  progid:DXImageTransform.Microsoft.gradient(startColorstr='#444444', endColorstr='#333333'); /* for IE */
}
#nav li {
    float: left;
    position: relative;
    list-style: none;
}
/* main level link */
#nav a {
    font-weight: bold;
    color: #e7e5e5;
    text-decoration: none;
    display: block;
    padding:  10px 20px;
    margin: 0;
    text-shadow: 0 1px 1px rgba(0, 0, 0, .5);
    border-left: 1px solid #404040;
    border-right: 1px solid #303030;
}
/* main level link hover */
#nav .active a {
    filter:  progid:DXImageTransform.Microsoft.gradient(startColorstr='#39bae5', endColorstr='#098FBC'); /* for IE */
    background-image: -o-linear-gradient(top, #39bae5, #098FBC); /* for opera */
    background: -webkit-gradient(linear, left top, left bottom, from(#39bae5), to(#098FBC)); /* for webkit browsers */
    background: -moz-linear-gradient(center top,  #39bae5,  #098FBC); /* for firefox 3.6+ */
}
#nav .current a, #nav li:hover > a {
    background: #d1d1d1; /* for non-css3 browsers */
    filter:  progid:DXImageTransform.Microsoft.gradient(startColorstr='#ebebeb', endColorstr='#a1a1a1'); /* for IE */
    background-image: -o-linear-gradient(top, #ebebeb,  #a1a1a1); /* for opera */
    background: -webkit-gradient(linear, left top, left bottom, from(#ebebeb), to(#a1a1a1)); /* for webkit browsers */
    background: -moz-linear-gradient(top,  #ebebeb,  #a1a1a1); /* for firefox 3.6+ */

    color: #444;
    text-shadow: 0 1px 0 rgba(255, 255, 255, .2);
}
#nav li:hover.active > a {
    color: #444;
    text-shadow: 0 1px 0 rgba(255, 255, 255, .2);
}
/* sub levels link hover */
#nav ul li:hover a, #nav li:hover li a {
    background: none;
    border: none;
    color: #666;
    -webkit-box-shadow: none;
    -moz-box-shadow: none;
}
#nav ul a:hover {
    background: #0399d4 !important; /* for non-css3 browsers */
    filter:  progid:DXImageTransform.Microsoft.gradient(startColorstr='#A1D4E5', endColorstr='#BCDFEB'); /* for IE */
    background-image: -o-linear-gradient(top, #A1D4E5, #BCDFEB) !important; /* for opera */
    background: -webkit-gradient(linear, left top, left bottom, from(#A1D4E5), to(#BCDFEB)) !important; /* for webkit browsers */
    background: -moz-linear-gradient(center top,  #A1D4E5,  #BCDFEB) !important; /* for firefox 3.6+ */

    border-bottom-left-radius: 4px;
    border-bottom-right-radius: 4px;
}
/* level 2 list */
#nav ul {
    background: #ddd; /* for non-css3 browsers */
    filter:  progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffffff', endColorstr='#cfcfcf'); /* for IE */
    background-image: -o-linear-gradient(top,  #fff,  #cfcfcf); /* for opera */
    background: -webkit-gradient(linear, left top, left bottom, from(#fff), to(#cfcfcf)); /* for webkit browsers */
    background: -moz-linear-gradient(top,  #fff,  #cfcfcf); /* for firefox 3.6+ */

    display: none;
    margin: 0;
    padding: 0;
    width: 185px;
    position: absolute;
    top: 31px;
    left: 0;
    border: solid 1px #b4b4b4;
    -webkit-box-shadow: 0 1px 3px rgba(0, 0, 0, .3);
    -moz-box-shadow: 0 1px 3px rgba(0, 0, 0, .3);
    box-shadow: 0 1px 3px rgba(0, 0, 0, .3);

    border-bottom-left-radius: 4px;
    border-bottom-right-radius: 4px;
}
/* dropdown */
#nav li:hover > ul {
    display: block;
}
#nav ul li {
    float: none;
    margin: 0;
    padding: 0;
}
#nav ul a {
    font-weight: bold;
    text-shadow: 0 1px 1px rgba(255, 255, 255, .9);
}
/* level 3+ list */
#nav ul ul {
    left: 181px;
    top: -3px;
}
/* clearfix */
#nav:after {
    content: ".";
    display: block;
    clear: both;
    visibility: hidden;
    line-height: 0;
    height: 0;
}
#nav {
    display: inline-block;
}
html[xmlns] #nav {
    display: block;
}
* html #nav {
    height: 1%;
}
