@include media-breakpoint-down(sm) {
    .o_calendar_container {
        padding: 0;
    }

    .o_control_panel {
        .o_calendar_button_today {
            font-size: 0.7em;
            line-height: 1.9em;
            > .o_calendar_text {
                margin-top: 3px;
            }
        }
    }

    .o_calendar_view {
        .fc-day-header {
            word-spacing: 1000px; // force line break in week mode
        }
    }

}