verobaroni

Hello there, here it goes a difficult coding one for squarespace beginers I've made a toggle switch that can enable a Dark Mode. So far things work quite well, unless for some details that I really don't find a way to make them right. Here it goes 1) the header. I would like a header full black, full width, at all times (dark and light mode). It seems simple but I can't find a single way to do it. I've tried this code below in css but the website keeps showing white margins on both sides of the header when in light mode because of the white background. Someone has any idea what I c