Alternatively, you can specify a new icons directory with the icons_dir token in nf. The vast majority of these icons are loaded from disk files and so are easily replaced without adjusting the nf file. A background is simply a banner image that fills the screen. rEFInd includes a built-in banner image that's used if you don't specify another image with the banner token in nf. The rest of the screen is filled with a solid color derived from the color used in the top-left pixel of the banner image.
Banners and backgrounds-A banner is a logo or small graphical element that rEFInd displays horizontally centered in the top half of the screen.
Broadly speaking, rEFInd's graphical elements fall into four categories:
