A geometric, flat-colour SVG illustration of a lighthouse on a cliff at dusk, drawn with about two dozen shapes and shown at four sizes so you can see whether it still holds up small.
240 px wide. At this size the tower, lantern room and light beam still read as a single lighthouse silhouette.400 px wide. Windows, door and cliff edge become distinguishable.640 px wide. The full poster composition, including the setting sun, stars and sea waves.900 px wide. Flat colours and geometric shapes stay crisp at any scale because the source is SVG.