I would like my sidebars to be an image that I have uploaded to media. What is the css for this? Also, I would like to hide the "phone number" in the tap to call section but still have it function for mobile users... Is there a way to accomplish this?
You do not need CSS for that. Goto Appearance -> Widgets. Drag drop "Text Widget" In the text widget content. put the html below. HTML: <img src="yourfullimagepath" />
