abstract art background beautiful black bonfire burn burned burning danger dangerous design element energy fiery fire fireplace flame flames flammable banner border branches bush calligraphy corner curl curve decor decorative fashion floral flourishes flower spring apple bright decoration dry food fresh fruit glass grape isolated kiwi rasher slice textures tropical vivid yellow brown chocolate cocoa cook dark dessert flow liquid melt melted pattern rich shine shiny smooth sweet swirl backdrop canvas color colors colour colours hue hues paint painting rough series shade shades tones variations various pastels tints tone