body {
    font-family: 'Verdana', sans-serif;
    background-color: #eef2f3;
    margin: 0;
    padding: 0;
}

#container {
    max-width: 1200px;
    margin: 30px auto;
    border: 1px solid #ccc;
    border-radius: 10px;
    background-color: #ffffff;
    padding: 20px;
}

header {
    background-color: #007bff;
    color: white;
    padding: 20px;
    text-align: center;
}

#content {
    display: flex;
}

main {
    flex: 3;
    padding: 15px;
}

aside {
    flex: 1;
    background-color: #f8f9fa;
    padding: 15px;
    margin-left: 20px;
}

footer {
    background-color: #343a40;
    color: white;
    text-align: center;
    padding: 10px;
}
