.dropdown-item {
    background-color: rgba(0,0,0,0);
    color: rgba(0,0,0,0.65);
}

.dropdown-item.active, .dropdown-item:active {
    background-color: rgba(0,0,0,0);
    color: rgba(0,0,0,1);
}

.dropdown-toggle {
    background-color: rgba(0,0,0,0);
    color: rgba(0,0,0,0.65);
}

.dropdown-toggle.active, .dropdown-toggle:active {
    background-color: rgba(0,0,0,0);
    color: rgba(0,0,0,1);
}

.main_frame {
    height: 83vh!important
}