body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

header {
    background-color: #007bff;
    color: white;
    padding: 15px 20px;
    text-align: center;
}

nav {
    background-color: #0056b3;
    overflow: hidden;
}

nav a {
    float: left;
    display: block;
    color: white;
    text-align: center;
    padding: 12px 20px;
    text-decoration: none;
}

nav a:hover {
    background-color: #003f7f;
}

main {
    padding: 20px;
}

footer {
    background-color: #007bff;
    color: white;
    text-align: center;
    padding: 10px;
}

.cards {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
}

.card {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
    width: 250px;
    padding: 15px;
    text-align: center;
    transition: transform 0.2s;
}

.card:hover {
    transform: scale(1.05);
}

.card img {
    max-width: 100%;
    border-radius: 5px;
}

.card h3 {
    margin: 10px 0 5px;
}

.card p {
    font-size: 14px;
    color: #555;
}

.button {
    display: inline-block;
    padding: 8px 12px;
    margin-top: 10px;
    background-color: #007bff;
    color: white;
    text-decoration: none;
    border-radius: 4px;
}

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