body {
    margin: 0;
    font-family: Arial, sans-serif;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}
.navbar {
    background-color: #333;
    color: white;
    padding: 10px 20px;
}
.navbar nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
}
.navbar nav ul li {
    margin-right: 15px;
}
.navbar nav ul li a {
    color: white;
    text-decoration: none;
}
.navbar nav ul li a:hover {
    text-decoration: underline;
}
.content {
    flex: 1;
    padding: 20px;
    background-color: #f4f4f4;
}
.footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 10px 0;
}