body { font-family: Arial, sans-serif; background-color: #f2f2f2; margin: 0; padding: 20px; } .notice-board { max-width: 600px; margin: auto; background: #fff8dc; border: 4px solid #8b4513; border-radius: 10px; box-shadow: 0 8px 16px rgba(0,0,0,0.2); padding: 20px; } .notice-board h2 { text-align: center; color: #8b0000; margin-bottom: 20px; } .notice { background: #fff; border-left: 6px solid #ffa500; margin-bottom: 15px; padding: 10px 15px; border-radius: 4px; } .notice h3 { margin: 0 0 5px; font-size: 18px; color: #333; } .notice p { margin: 0; font-size: 14px; color: #555; }