Divi Customize Menu Nav

#main-header
{
border-bottom: solid #161616 5px;
}

span.mobile_menu_bar:before
{
    color: #161616 !important;
}

.et_mobile_menu
{
border-top: 3px solid #161616; !important
}
.nav li ul {
 
    border-top: 3px solid #161616;
}