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

header {
    background: #333;
    color: #fff;
    padding: 1rem 0;
    text-align: center;
}

header h1 {
    margin: 0;
}

header p {
    margin: 0.5rem 0;
}

nav {
    display: flex;
    justify-content: center;
    background: #555;
}

nav a {
    color: #fff;
    padding: 1rem;
    text-decoration: none;
    text-transform: uppercase;
}

nav a:hover {
    background: #444;
}

.container {
    padding: 2rem;
    max-width: 800px;
    margin: auto;
}

footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1rem;
    position: fixed;
    width: 100%;
    bottom: 0;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 1rem 0;
}

form {
    background: #fff;
    padding: 1rem;
    border: 1px solid #ddd;
}

form label {
    display: block;
    margin: 0.5rem 0 0.2rem;
}

form input, form textarea {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    margin-bottom: 1rem;
}

form input[type="submit"] {
    background: #333;
    color: #fff;
    border: none;
    padding: 0.7rem 1.5rem;
    cursor: pointer;
}

form input[type="submit"]:hover {
    background: #555;
}