body {
     background:#eee;
     margin:0;
     padding:0;
     }
/* main menu styles */
#nav {
     margin-left: auto;
     margin-right: auto;
     display:inline-block;
     width:100%;
     background:#335599;

     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);
     }
#nav li {
        margin:10px;
        float:left;
        position:relative;
        list-style:none;
        }
#nav a {
       font-weight:bold;
       color:#e7e5e5;
       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);
       }

/* selected menu element */
#nav .current a, #nav li:hover > a {
                                   background:#7788aa repeat-x 0 -20px;
                                   color:#000;
                                   border-top:1px solid #f8f8f8;

                                   box-shadow:0 2px 2px rgba(0,0,0, .7); /*some css3*/
                                   -moz-box-shadow:0 2px 2px rgba(0,0,0, .7);
                                   -webkit-box-shadow:0 2px 2px rgba(0,0,0, .7);
                                   text-shadow:0 2px 2px rgba(255,255,255, 0.7);
                                   }

/* sublevels */
#nav ul li:hover a, #nav li:hover li a {
                                       background:none;
                                       border:none;
                                       color:#000;
                                       }
#nav ul li a:hover {
                   background:#335599 url(../images/bg.png) repeat-x 0 -100px;
                   color:#fff;
                   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:#aabbcc url(../images/bg.png) repeat-x 0 0;
        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;
           }