body { font-family: 'Arial', sans-serif; line-height: 1.8; } h1, h2, h3 { font-weight: bold; margin-bottom: 1.5rem; } h1 { font-size: 3rem; } h2 { font-size: 2.5rem; } h3 { font-size: 2rem; } .product-card { margin-bottom: 2.5rem; padding: 2rem; border-radius: 8px; box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1); } .product-card h3 { margin-top: 0; } .nav-bar { padding: 1.5rem 3rem; } .nav-bar a { margin-right: 2rem; font-size: 1.125rem; } .button { padding: 1rem 2rem; font-size: 1.125rem; border-radius: 5px; } .filter-buttons { margin-bottom: 2.5rem; } .filter-buttons button { margin-right: 0.75rem; padding: 0.75rem 1.5rem; font-size: 1rem; border-radius: 5px; }