/* Define CSS variables */
:root {
    --primary-color: #4CAF50;
    --primary-hover-color: #45a045;
    --border-color: #ddd;
    --box-shadow-color: rgba(0, 0, 0, 0.1);
    --gap: 15px;
}

/* Apply box-sizing reset */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* Product grid layout */
#product {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--gap);
    text-align: center;
}

/* Product card styles */
#product div {
    border: 1px solid var(--border-color);
    margin: 10px;
    box-shadow: 0px 0px 10px var(--box-shadow-color);
    background-color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

/* Product image styles */
#product div img {
    width: 200px;
    padding: 10px;
}

/* Product title styles */
#product h3 {
    font-size: medium;
}

/* Product price styles */
#product div p {
    color: red; 
}

/* Product button styles */
#product div button {
    width: 250px;
    padding: 10px;
    margin: 5px;
    background-color: var(--primary-color);
    border: none;
    border-radius: 15px;
    color: white;
    font-size: medium;
    cursor: pointer;
    transition: all 0.3s ease;
}

/* Button hover effect */
#product div button:hover {
    background-color: var(--primary-hover-color);
}