如何在ngx日期范围选择器中设置“取消并完成”按钮的样式

Question

我想为完成和取消按钮添加颜色和间距，但是我无法做到。

我在Angular项目中使用ngx daterange选择器。

        <form [formGroup]="form">
            <mat-form-field class="nobrdr_input">
                <input
                [(value)]="filterTemp2.selectHistoricalTime"
                    matInput
                    ngxDaterangepickerMd
                    placeholder="Choose date"
                    formControlName="selected"
                    [showCustomRangeLabel]="true"
                    [alwaysShowCalendars]="form.get('alwaysShowCalendars').value"
                    [ranges]="ranges"
                    [showCancel]="true"
                    [linkedCalendars]="false"
                    [isInvalidDate]="isInvalidDate"
                    [locale]="{ applyLabel: 'Done' }"
                    [keepCalendarOpeningWithRange]="form.get('keepCalendarOpeningWithRange').value"
                    [showRangeLabelOnInput]="form.get('showRangeLabelOnInput').value"
                    (datesUpdated)="datesUpdated($event)"
                />
            </mat-form-field>
        </form>