p {
    line-height: 25px;

}

.section4 {
    margin-top: 20px;
}

.nav-second-level {
    display: none;
}



li:hover .nav-second-level {
    display: block;
}

.nav-third-level {
    display: none;
}

.nv-fl:hover .nav-third-level {
    display: block;
}


.nv-gl:hover .nav-second-level {
    display: block;
}

.navbar-default {
    float: none;
}