styles.css

body {
  background-color:black;
  color:white;
  font-family:Times New Roman;
  font-size: 130%;
  width: auto;
}

body.codes {
  color:#616A6B;
}

iframe {
  border:2px solid grey;
}

a:link {
    color: #DC7633;
    background-color: transparent;
    text-decoration: none;
    text-decoration: underline;
}
a:visited {
    color: #DC7633;
    background-color: transparent;
    text-decoration: none;
}
a:hover {
    color: red;
    background-color: transparent;
    text-decoration: underline;
}
a:active {
    color: yellow;
    background-color: transparent;
    text-decoration: underline;
}

header, footer {
    padding: 1em;
    font-family: cursive;
    clear: left;
    text-align: center;
}

nav {
    float: left;
    max-width: 160px;
    margin: 0;
    padding: 1em;
}
article {
    margin-left: 170px;
    border-left: 1px solid gray;
    padding: 1em;
    overflow: hidden;
}