_templates/searchbox.html

<div role="search">
    <form id ="rtd-search-form" class="wy-form" action="{{ pathto('search') }}" method="get">
        <input type="text" name="q" placeholder="{% trans %}ex. train object detection model, pd.concat{% endtrans %}" title="{% trans %}Type search term here{% endtrans %}" />
        <br />
        <br />
        <div style="text-align: left;">
            <div style="font-size: 0.85rem;">Filters: </div>
            <div style="display: inline-block;"><label style="color: white;" for="filterExample"><input type="checkbox" id="filterExample" name="filterExample">Example</label></div>
            <div style="display: inline-block;"><label style="color: white;" for="filterAWSDevGuide"><input type="checkbox" id="filterAWSDevGuide" name="filterAWSDevGuide">Dev Guide</label></div>
            <div style="display: inline-block;"><label style="color: white;" for="filterSDKGuide"><input type="checkbox" id="filterSDKGuide" name="filterSDKGuide">SDK Guide</label></div>
        </div>
        
    </form>
</div>