openhab-core/bundles/org.openhab.ui.dashboard/templates/entry.html

            <div class="link-wrapper col-md-3 col-sm-6 col-xs-6">
                <div class="link" onclick="location.href = '${url}'">
                    <div class="body" style="background-image: url('${icon}')">
                         <div class="overlay icon-${overlay}"></div>
                    </div>
                    <div class="footer">
                        <p>${name}</p>
                    </div>
                </div>
            </div>