@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.pulse-animation {
    animation: pulse 2s infinite;
}

.game-tile {
    transition: all 0.2s ease;
}

.game-tile:hover {
    transform: scale(1.05);
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.3);
}