.primary_menu_mobile{
    background-color: #414141;
    display: none;
}
.primary_menu_mobile ul li{
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.primary_menu_mobile ul li a{
    color: #fff;
}
.primary_menu_mobile ul li a:hover,
.primary_menu_mobile ul li a:FOCUS {
    background-color: transparent;
}