szurubooru/public_html/templates/user-query-form.tpl

<div class="messages"></div>

<div id="user-query-form">
    <form class="form-wrapper">
        <div class="form-row">
            <label class="form-label" for="user-query-user">User name or e-mail:</label>
            <div class="form-input">
                <input autocomplete="off" type="text" name="user" id="user-query-user"/>
            </div>
        </div>

        <div class="form-row">
            <label class="form-label"></label>
            <div class="form-input">
                <button type="submit">Continue</button>
            </div>
        </div>
    </form>
</div>