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

header {
    background-color: #333;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 60px;
}

nav {
    display: flex;
    justify-content: center;
    background-color: #444;
}

nav a {
    color: white;
    padding: 14px 20px;
    text-decoration: none;
    text-align: center;
}

nav a:hover {
    background-color: #555;
}

nav {
    justify-content: flex-start;
    align-items: center;
}

.card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 80vh;
    width: 50vw;
    margin: 20px auto;
    background-color: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 20px;
    border-radius: 8px;
}

.card img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

footer {
    text-align: center;
    padding: 6px 0;
    font-size: 16px;
    background-color: #333;
    color: white;
    position: relative;
    bottom: 0;
    width: 100%;
    border-width: 1px;
    border-style: solid;
    border-color: #333;
}