.ant-calendar-next-month-btn:before,.ant-calendar-next-year-btn:after,.ant-calendar-next-year-btn:before,.ant-calendar-prev-month-btn:before,.ant-calendar-prev-year-btn:after,.ant-calendar-prev-year-btn:before{border:1px solid #000!important;border-width:1.5px 0 0 1.5px!important}