body {
    background-color: #ededed;
    color: #000;
    font-family: "Times New Roman", Times, serif;
    margin: 0;
    padding: 20px;
}

header h1 {
    font-size: 2em;
    margin-bottom: 0;
}

header p {
    font-style: italic;
    color: #555;
    margin-top: 5px;
}

nav ul {
    list-style-type: none;
    padding: 0;
    background-color: #cccccc;
    padding: 10px;
    border: 1px solid #999;
}

nav ul li {
    display: inline;
    margin-right: 15px;
}

nav ul li a {
    text-decoration: underline;
    color: blue;
}

nav ul li a:visited {
    color: purple;
}

main {
    margin-top: 20px;
    background-color: white;
    padding: 20px;
    border: 1px solid #999;
}

footer {
    margin-top: 30px;
    font-size: 0.8em;
    text-align: center;
    border-top: 1px dashed #999;
    padding-top: 10px;
}