.ver_hold {
    width:0;
    height:100%;
    display:inline-block;
    vertical-align:middle;
}
.container {
    width:100%;
    text-align:center;
    display:inline-block;
    vertical-align:middle;
}
.nav-horizontal .sub-menu{
    display: none;
    visibility: visible;
}
.nav-horizontal > li.has-sub:hover .sub-menu{
    display: block;
    visibility: visible;
}