.memory-game-container{display:flex;flex-direction:column;align-items:center;padding:20px;background-color:#0f0f12;color:#fff;min-height:100vh}.memory-game-title{color:#fff;margin-bottom:20px}.memory-game-difficulty-section{margin-bottom:20px}.memory-game-difficulty-label{margin-right:10px;font-size:16px}.memory-game-difficulty-select{padding:8px 12px;font-size:16px;background-color:#333;color:#fff;border:1px solid #555;border-radius:5px}.memory-game-canvas{border:2px solid #333;border-radius:8px;cursor:pointer;background-color:#1a1a2e}.memory-game-button-section{margin-top:20px;text-align:center}.memory-game-primary-button{padding:12px 24px;font-size:18px;background-color:#4caf50;color:#fff;border:none;border-radius:8px;cursor:pointer;margin-right:10px}.memory-game-primary-button:hover{background-color:#45a049}.memory-game-secondary-button{padding:12px 24px;font-size:18px;background-color:#fff3;color:#fff;border:1px solid rgba(255,255,255,.3);border-radius:8px;cursor:pointer}.memory-game-secondary-button:hover{background-color:#ffffff4d}.memory-game-instructions{margin-top:15px;font-size:14px;color:#aaa;text-align:center;max-width:600px}.memory-game-instructions p{margin-bottom:8px}.memory-game-instructions p:last-child{margin-bottom:0}