.game-container{text-align:center;font-family:Arial,sans-serif}button{margin:5px;padding:10px;font-size:18px}.settings-popup,.end-game-popup{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:#fff;padding:20px;box-shadow:0 4px 6px #0003;border-radius:10px;z-index:1000}.dark .settings-popup,.dark .end-game-popup{background:#333;color:#fff}@media (max-width: 768px){.play-button,.settings-button{position:fixed;bottom:20px;width:60px;height:60px;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 6px #0003;border:none;cursor:pointer;font-size:24px}.play-button{left:10%;background:#ff9800;color:#fff}.settings-button{right:10%;background:#4caf50;color:#fff}.choices button{width:100%;height:25%;font-size:24px}}