Day of the Week Calculator
Day of the Week Calculator .calculator { background: #ffffff; padding: 2rem; border-radius: 12px; box-shadow: 0 0 12px rgba(0,0,0,0.1); width: 100%; max-width: 400px; } h2 { text-align: center; margin-bottom: 1.5rem; } input { width: 100%; padding: 0.6rem; font-size: 1rem; border: 1px solid #ccc;...