body {
  background: url('sparkle.gif') repeat;
  font-family: 'Verdana', sans-serif;
  color: #ffffff;
  margin: 0;
  padding: 0;
  text-align: center;
}

/* Box at the top — but not touching top of window */
.nav-box {
  margin: 40px auto 20px auto; /* top space! */
  width: 90%;
  max-width: 600px;
  background-color: #000080;
  border: 3px groove #ffffff;
  padding: 10px;
  box-shadow: 0 0 10px #000;
}

/* Links inside nav */
.nav-box a {
  color: #00ffff;
  text-decoration: none;
  margin: 0 10px;
  font-weight: bold;
}

.nav-box a:hover {
  background-color: #00ffff;
  color: #000080;
  padding: 2px 6px;
}

/* Main content box */
.main-box {
  background-color: rgba(0, 0, 0, 0.75);
  border: 3px ridge #ffffff;
  width: 90%;
  max-width: 700px;
  margin: 20px auto;
  padding: 20px;
  box-shadow: inset 0 0 10px #000000aa;
}