#lineTd {
            width: 200px;
            color: #000000;
            font-size: 30px;
            text-align: center;
            font-weight: 100;
            border-bottom: 1px solid #6BA1FF;
            height: 130px;
            box-sizing: border-box;
            text-indent: 0;
            background: linear-gradient(33deg, transparent 49.5%, #CDD4F3 49.5%, #CDD4F3 50.5%, transparent 50.5%);
          }

效果