square button, vibrant colors, retro aesthetic, pixelated design, crisp edges, symmetrical composition, small grid squares, intricate details, nostalgic feel, low resolution, limited color palette, iconic symbol, 8-bit charm, sharp lines, clean and precise, graphical simplicity, graphical simplicity, minimalist approach, geometric shapes, digital art, old-school gaming, blocky graphics, charmingly nostalgic, visually striking, vintage appeal