Placeholder for a logo

I'd like some placeholder for a logo in the markup so that I can brand the view with a company logo via the css. Currently there is no suitable element to put the logo on, if I use body the gradient background color disappears and if I use component I get one logo for each component which kind of clutters the UI a bit if I have multiple components in the same view. Suggestion is to have an empty div somewhere with a dedicated style class that you can brand, e.g. having it floating in the top left or right corner with a image background as a logo.