body {
    font-family: Arial, sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    background-color: #f4f4f4;
    margin: 0;
}

button {
    padding: 10px 20px;
    font-size: 16px;
    border: none;
    cursor: pointer;
    border-radius: 5px;
    margin: 10px;
    background-color: #4CAF50;
    color: white;
    transition: background 0.3s ease;
}

button:hover {
    background-color: #45a049;
}

.container {
    display: grid;
    grid-template-columns: repeat(6, 80px);
    gap: 10px;
    margin-top: 20px;
}

.main-section {
    width: 80px;
    height: 80px;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    cursor: pointer;
    transition: transform 0.2s ease, background-color 0.2s ease;
}

.main-section:hover {
    transform: scale(1.05);
    background-color: #e0e0e0;
}

.smile {
    font-size: 32px;
    display: none;
}

.text {
    font-size: 20px;
    margin-top: 20px;
}

@media (max-width: 600px) {
    .container {
        grid-template-columns: repeat(4, 60px);
        gap: 8px;
    }

    .main-section {
        width: 60px;
        height: 60px;
        font-size: 20px;
    }

    button {
        font-size: 14px;
        padding: 8px 16px;
    }
}