* {
  box-sizing: border-box;
}

body {
  background-color: #00005d;
  font-family: Verdana, Arial, sans-serif;
}

#wrapper {
  margin: 0 auto;
  width: 80%;
  min-width: 940px;
  background-color: #b3c7e6;
  color: #000066;
}

header {
  background-color: #869dc7;
  color: #00005d;
  font-size: 150%;
  padding: 10px 10px 10px 155px;
  height: 150px;
  background-repeat: no-repeat;
  background-image: url(lighthouselogo.jpg);
}

nav {
  float: right;
  width: 150px;
  font-weight: bold;
  letter-spacing: 0.1em;
}

main {
  background-color: #fff;
  color: #000;
  padding: 10px 20px;
  overflow: auto;
  display: block;
}

footer {
  font-size: 70%;
  text-align: center;
  padding: 10px;
  background-color: #869dc7;
  clear: both;
}

h2 {
  color: #869dc7;
  font-family: Arial, sans-serif;
}

#floatright {
  float: right;
  margin: 10px;
}

nav ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
}

nav a {
  text-decoration: none;
  padding: 20px;
  display: block;
  background-color: #b3c7e6;
  border-bottom: 1px solid #fff;
  background-image: url(sprites.gif);
  background-repeat: no-repeat;
  background-position: right 0;
}

nav a:link {
  color: #fff;
}

nav a:visited {
  color: #eaeaea;
}

nav a:hover {
  color: #869dc7;
  background-color: #eaeaea;
  background-position: right -100px;
}