how to set css


I am using the template startbootstrap-small-business. It has a black header that covers 100 % of the page (just like the black header of this forum). Im not an expert in css, so i cant find this atribute. I want to set the footer 100% too.

thanks in advance

Are you trying to edit a template from another builder or an HTML template itself? I don't know that you can do that sufficiently in Bootstrap Studio. You would probably be better off recreating it in Bootstrap Studio than trying to import it.

If you're asking for general CSS help you would probably be better off asking those that created that template for assistance as I don't see a footer in that template at all when I looked at it on their website. More information on what you're attempting to do with BSS would be helpful.