/* General Style */
body {
    font-family: 'Arial', sans-serif;
    text-align: center;
    margin: 0;
    padding: 20px;
    background: #f4f4f4;
}

h1 {
    color: #333;
    margin-bottom: 20px;
}

/* Button Grid */
.buttons-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 10px;
    max-width: 600px;
    margin: auto;
}

button {
    padding: 30px 35px;
    border: none;
    border-radius: 5px;
    background-color: #007bff;
    color: white;
    font-size: 30px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #0056b3;
}

/* Responsive Design */
@media screen and (max-width: 600px) {
    .buttons-grid {
        grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    }

    button {
        padding: 30px;
        font-size: 20px;
        margin: 5px;
    }

    button:hover { 
        background-color: #007bff;
    }
}