body {
    font-family: 'Arial', sans-serif;
    background-color: #f5f5f5;
    color: #333333;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    margin: 0;
    padding: 0;
}
.navbar {
    background-color: #343a40;
    padding: 15px 20px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}
.navbar a {
    color: #ffffff;
    text-decoration: none;
    padding: 0 15px;
    font-weight: bold;
}
.content {
    flex: 1;
    padding: 20px;
}
.footer {
    background-color: #343a40;
    color: #ffffff;
    text-align: center;
    padding: 20px 0;
    border-top: 1px solid #00332e;
}