body {
    font-family: 'Georgia', serif;
    background-color: #e2e2e2;
    margin: 0;
    padding: 0;
}

#container {
    max-width: 1000px;
    margin: 50px auto;
    border: 1px solid #6c757d;
    border-radius: 15px;
    background-color: #ffffff;
}

header {
    background-color: #28a745;
    color: white;
    padding: 30px;
    text-align: center;
}

main {
    padding: 25px;
}

aside {
    background-color: #d4edda;
    padding: 15px;
    margin: 20px 0;
}

footer {
    background-color: #007bff;
    color: white;
    text-align: center;
    padding: 10px;
}