<div class="demo-preview-block"> <div id="tt1" class="icon material-icons">add</div> <div class="mdl-tooltip" for="tt1"> Follow </div> <div id="tt2" class="icon material-icons">print</div> <div class="mdl-tooltip mdl-tooltip--large" for="tt2"> Print </div> <div id="tt3" class="icon material-icons">cloud_upload</div> <div class="mdl-tooltip" for="tt3"> Upload <strong>file.zip</strong> </div> <div id="tt4" class="icon material-icons">share</div> <div class="mdl-tooltip" for="tt4"> Share your content<br>via social media </div> </div>