I've tried putting a logo in a mediabox since I was following this guide. The weird thing is that a mediabox with the image has no padding, thus placing the logo on top of the page (0px from the top). But using the code included in the guide (a simple a href), it suddenly has a 20px padding.
Attatched is a screenshot showing the top of both embeds of the logo - the purple logo on the left is clickable while the logo on the right isn't.
Thanks for your time!