.o_crm_team_form_view {
    /*
    * Used to conditionnaly add a css class on a record field.
    * Add text-warning on the element with class o_crm_lead_month_assignment
    * only if the element with o_crm_lead_all_assigned_month_exceeded is visible
    * in the template.
    */
    div.o_crm_lead_all_assigned_month_exceeded + .o_crm_lead_month_assignment {
        color: $warning;
    }
}