body {
    font-size: 18px;
    font-family: 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
    line-height: 1.5em;
}
body > header {
    clear: both;
    line-height: 100%;
    padding: 2rem;
}
body > header h1 {
    float: left;
    vertical-align: middle;
}
body > header nav {
    float: left;
    vertical-align: middle;
}
body > header nav li {
    display: inline;
}
body > main {
    clear: both;
    border-top: 1px solid black;
    border-bottom: 1px solid black;
    padding-left: 10rem;
    padding-right: 10rem;
    text-align: justify;
}
body > footer {
    clear: both;
    padding: 2rem;
}