@bordL: 25px;
@bordH: 30px;
@itemColor: #198754;

/*.arrowItem {
    transform: skewX(20deg);
}*/
.arrow-right {
    width: 0;
    height: 0;
    border-top: @bordL solid transparent;
    border-left: @bordH solid @itemColor;
    border-bottom: @bordL solid transparent;
}

.tail-left {
    width: 0;
    height: 0;
    border-top: @bordL solid @itemColor;
    border-left: @bordH solid transparent;
    border-bottom: @bordL solid @itemColor;
}