body {
    font-family: Arial, sans-serif;
    background-color: #f2f2f2;
    margin: 0;
    padding: 0;
}

.game-container {
    text-align: center;
    padding: 20px;
}

.game-images {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}

.game-image {
    width: 100px;
    height: 100px;
    margin: 10px;
    transition: filter 0.3s;
}

.grayscale {
    filter: grayscale(100%); /* Hace las imágenes en blanco y negro */
}

.hidden {
    display: none;
}

button {
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
    margin: 5px;
}

#start-btn {
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 5px;
}

#next-level-btn {
    background-color: #008CBA;
    color: white;
    border: none;
    border-radius: 5px;
}

.menu-btn {
    background-color: #f44336;
    color: white;
    border: none;
    border-radius: 5px;
}
.grid-container {
    display: grid;
    grid-template-columns: repeat(3, 100px);
    gap: 10px;
    justify-content: center;
}

.grid-item {
    width: 100px;
    height: 100px;
    background-color: #ccc;
    border: 2px solid #000;
    cursor: pointer;
    background-size: cover;
}

.hidden {
    background-color: #f2f2f2;
}

.grid-item.correct {
    border: 2px solid green;
}
.grid-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr); /* 3 columnas */
    gap: 10px;
    justify-items: center;
    align-items: center;
    margin: 20px 0;
}


.hidden {
    display: none;
}