Make search bar in header always open/visible - Debut Theme

[Element1]

I want to change my search bar, so that it is always open and visible for text to be entered. It is currently just a magnifying glass icon which you must click for the search bar to open.

Here is what I have (magnifying glass that needs to be clicked):

Here is an example of what I want (search box is visible and ready for text to be entered, the icon doesn't need to be clicked): 

Thanks in advance!