nginx-proxy-manager/src/frontend/js/app/nginx/certificates/main.ejs

<div class="card">
    <div class="card-status bg-teal"></div>
    <div class="card-header">
        <h3 class="card-title"><%- i18n('certificates', 'title') %></h3>
        <div class="card-options">
            <a href="#" class="btn btn-outline-secondary btn-sm ml-2 help"><i class="fe fe-help-circle"></i></a>
            <% if (showAddButton) { %>
            <div class="dropdown">
                <button type="button" class="btn btn-outline-teal btn-sm ml-2 dropdown-toggle" data-toggle="dropdown">
                    <%- i18n('certificates', 'add') %>
                </button>
                <div class="dropdown-menu">
                    <a class="dropdown-item add-item" data-cert="letsencrypt" href="#"><%- i18n('ssl', 'letsencrypt') %></a>
                    <a class="dropdown-item add-item" data-cert="other" href="#"><%- i18n('ssl', 'other') %></a>
                </div>
            </div>
            <% } %>
        </div>
    </div>
    <div class="card-body no-padding min-100">
        <div class="dimmer active">
            <div class="loader"></div>
            <div class="dimmer-content list-region">
                <!-- List Region -->
            </div>
        </div>
    </div>
</div>