body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}
header {
    background: #111;
    color: white;
    padding: 10px 20px;
}
.logo {
    display: flex;
    align-items: center;
}
.logo img {
    height: 50px;
    margin-right: 15px;
}
nav ul {
    list-style: none;
    display: flex;
    gap: 15px;
}
nav ul li a {
    color: white;
    text-decoration: none;
}
section {
    padding: 20px;
}
footer {
    background: #111;
    color: white;
    text-align: center;
    padding: 10px;
}