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

header {
    background-color: #003366;
    color: white;
    padding: 1rem;
}

header .logo {
    font-size: 1.5rem;
    font-weight: bold;
}

nav ul {
    list-style-type: none;
    padding: 0;
}

nav ul li {
    display: inline;
    margin-right: 10px;
}

nav ul li a {
    color: white;
    text-decoration: none;
}

main {
    padding: 2rem;
}

footer {
    text-align: center;
    padding: 1rem;
    background-color: #003366;
    color: white;
}

button {
    background-color: #003366;
    color: white;
    padding: 10px 15px;
    border: none;
    cursor: pointer;
}

button:hover {
    background-color: #005bb5;
}

body { overflow-x: hidden; max-width: 100%; }