<section style="margin-top: 8vh;">
    <div class="text-center" style="margin-top: 3vh;">
        <a class="btn btn-outline-warning" type="button" href="#" style="margin-right: 1vw;padding-right: 15px;padding-left: 15px;padding-top: 5px;padding-bottom: 5px;font-size: calc(0.6rem + 0.4vw);margin-bottom: 1vh;">
            <b>Công Cụ Tìm Kiếm</b>
        </a>
    </div>
</section>
