Modern UI, glossy effect, rounded corners, 3D style, metallic material, sleek texture, various colors (blue, green, red, yellow), different shapes (square, circle, rectangle), subtle animations, hover effects, shadowing, gradient backgrounds, simple icons (arrow, plus sign, minus sign), bold font, uppercase letters, centered text alignment, slight rounded edges, futuristic feel, minimalistic style, flat design, iOS and Android compatible, various sizes (small, medium, large).