Highlight text - Code - <code>Will show as code</code> - Code
class="text-muted"
class="text-primary"
class="text-success"
class="text-info"
class="text-warning"
class="text-danger"
Add tool tip in HTML - data-toggle="tooltip" data-placement="top" title="this is a tooltip"
Make a content editable - Add following to the tag contenteditable="true"