.subCategory {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    overflow-y: hidden;
    width: 100%;
    white-space: nowrap;
    padding: 5px 0;
}

    /* Important */
    .subCategory li {
        list-style: none;
        flex-shrink: 0;
    }

        .subCategory li a {
            display: inline-block;
            padding: 6px 14px;
            background: #f1f1f1;
            border-radius: 5px;
            white-space: nowrap;
        }