The Search widget is a simple variation on the default WordPress search widget. To give you greater flexibility we’ve added the option to set the button text (and you can include basic HTML so you can use FontAwesome or other web fonts.
Collapse / Expand
You can have the search widget collapsed by default – just showing the button until the user clicks to reveal the text entry field:
Search in mobile menu bar
Adding an option to the “Mobile menu title bar” with the CSS class of “search” will add a collapsible search widget to your mobile menu: