body {
  background: #eee;
  color: #000;
  margin: 20px;
  padding: 5px;
  border: 0;
  font-family: Arial, sans-serif; font-size: 1em;
}

div {
  width: 800px;
  margin: 0 auto;
}

#bggraphic {
  background: url('images/forestskypng.jpg') top left no-repeat;
  height: 238px;
  width: 540px;
  position: absolute;
  left: 50%;
  z-index: 100;
}

h1 {
  text-align: center;
  font-size: 1.5em;
  font-variant: small-caps;
  margin-bottom: 30px;
  background: skyblue;
  padding: 10px 0;
}

#references cite {
  margin: 1em 0 0 3em;
  text-indent: -3em;
  display: block;
  font-style: normal;
  padding-right: 3px;
}

.website {
  border-right: 5px solid blue;
}

.book {
  border-right: 5px solid red;
}

.article {
  border-right: 5px solid green;
}

#footer {
  font-size: 0.5em;
  border-top: 1px solid #000;
  margin-top: 20px;
}

#footer a {
  color: #000;
  text-decoration: none;
}

#footer a:hover{
  text-decoration: underline;
}

dt {
  border-left: 5px solid navy;
  border-bottom: 1px solid navy;
  padding-left: 5px;
  font-style: bold;
}

dd {
  color: #333;
  padding: 0;
  margin:5px 0 5px 15px;
  display: list-item;
  list-style: square inside;
}

p {
  text-indent: 1em;
}