This page controls color properties of the header/footer of system pages. To modify the color assignments, switch to code view using the "Source" button in the editor and change the value for the targeted color (this property is designated with a "--" before its name). Any changes made outside of the style tags will show up as text in the header and should be avoided.
This page controls the photos seen under the menu at the top of each page. To change the 4 images in this area, double-check on the image and upload its replacement. Do not add items or text outside of the bulleted list.