      </div>
    </div>
</div>

<h3 class="text-center my-5">
    <a th:href="@{'/crawl/rules/add'}" class="btn btn-info text-uppercase">Getting Started</a>
</h3>

<div class="container">
    <div class="card my-3 bg-dark border-0">
        <div class="card-body">
            <h3 class="text-uppercase card-title">Features</h3>
            <ul class="card-text text-secondary">
                <li>Web spider: browser rendering, ajax data crawling</li>
                <li>Auto extract: extract valuable data fr