.tabs > div:not(.tab-links) {
    display: none
}

.tabs > div:target {
    display: block;
}

#title, #content {
    margin-left: 16em;
}

body {
    background-color: rgb(20,20,20);
    color: white;
    font-family: Verdana;
}

table {
    border: 2px solid #999;
}

td {
    border: 1px solid #999;
    padding: 0.1em 1em;
}

#navigation {
    position: absolute;
    width: 15em;
    color: green;
}

a:link, a:hover  {
  color: lime;
  background-color: transparent;
  text-decoration: none;
}

a:visited {
  color: green;
  background-color: transparent;
  text-decoration: none;
}