.app-dr-tab {
    .dr-tab-item {
        cursor: pointer;
        padding: 0 16px;
        &.is-active,
        &:hover {
            color: #2d8cf0;
        }
        &.is-active {
            position: relative;
        }
        &.is-active::after {
            content: '';
            width: 100%;
            height: 2px;
            background: #2d8cf0;
            position: absolute;
            left: 0px;
            bottom: 0px;
        }
    }
}
// this is less
