#nav {
    background: white;
    border-radius: 8px;
    color: #007BFF;
    display: inline-block;
    margin: 0px auto;
    padding: 0;
    width: 100%;
    z-index: 22;
}

#nav li {
    margin: 5px;
    float: left;
    position: relative;
    list-style: none;
    z-index: 22;
}

#nav a {
    font-weight: bold;
    color: #b4d8ff;
    text-decoration: none;
    display: block;
    padding: 8px 20px;
    border-radius: 10px; /*some css3*/
    -moz-border-radius: 10px;
    -webkit-border-radius: 10px;
    text-shadow: 0 2px 2px rgba(0, 0, 0, .7);
    border: 2px solid transparent;
}

/* selected menu element */
#nav .current a {
    color: #FFFFFF;
    border: 2px solid #FFFFFF;
}

#nav li:hover > a {
    background-color: #007BFF;
    border: 1px solid #FFFFFF;
    color: #FFFFFF;
}

/* sublevels */
#nav ul li:hover a, #nav li:hover li a {
    background: none;
    border: none;
    color: #000;
}

#nav ul li a:hover {
    background: #007BFF;
    color: #FFFFFF;
    border-radius: 10px; /*some css3*/
    -moz-border-radius: 10px;
    -webkit-border-radius: 10px;
    text-shadow: 0 2px 2px rgba(0, 0, 0, 0.7);
}

#nav ul li:first-child > a {
    -moz-border-radius-topleft: 10px; /*some css3*/
    -moz-border-radius-topright: 10px;
    -webkit-border-top-left-radius: 10px;
    -webkit-border-top-right-radius: 10px;
}

#nav ul li:last-child > a {
    -moz-border-radius-bottomleft: 10px; /*some css3*/
    -moz-border-radius-bottomright: 10px;
    -webkit-border-bottom-left-radius: 10px;
    -webkit-border-bottom-right-radius: 10px;
}

/* drop down */
#nav li:hover > ul {
    opacity: 1;
    visibility: visible;
}

#nav ul {
    opacity: 0;
    visibility: hidden;
    padding: 0;
    width: 175px;
    position: absolute;
    background: #E6E6FF;
    border: 1px solid #7788aa;
    border-radius: 10px; /*some css3*/
    -moz-border-radius: 10px;
    -webkit-border-radius: 10px;
    box-shadow: 0 2px 2px rgba(0, 0, 0, .5);
    -moz-box-shadow: 0 2px 2px rgba(0, 0, 0, .5);
    -webkit-box-shadow: 0 2px 2px rgba(0, 0, 0, .5);
    -moz-transition: opacity .25s linear, visibility .1s linear .1s;
    -webkit-transition: opacity .25s linear, visibility .1s linear .1s;
    -o-transition: opacity .25s linear, visibility .1s linear .1s;
    transition: opacity .25s linear, visibility .1s linear .1s;
}

#nav ul li {
    float: none;
    margin: 0;
}

#nav ul a {
    font-weight: normal;
    text-shadow: 0 2px 2px rgba(255, 255, 255, 0.7);
}

#nav ul ul {
    left: 160px;
    top: 0px;
}