body {
  padding: 2em 7em 2em 7em;
  margin: 0;
  font-family: sans-serif;
  color: black;
  background: white;
  background-position: top left;
  background-attachment: fixed;
  background-repeat: no-repeat;
}

#cabecera {
  margin-bottom: 2em 
}

#navegacion {
  border-bottom: 1px solid #005A9C;
  padding-bottom: 1em
}

#principal {
}

#licencia {
}

:link { 
  color: #00C; 
  background: transparent 
}

:visited {
  color: #609; 
  background: transparent 
}

a:active { 
  color: #C00; 
  background: transparent
}

a:link img, a:visited img { 
  border-style: none 
}

a img {
  color: white; 
}

h1, h2, h3, h4, h5, h6 { 
  text-align: left 
}

h1, h2, h3 {
  color: #005A9C;
  background: white
}

h1 {
  font: 170% sans-serif 
}

h2 {
  font: 140% sans-serif; 
  margin-top: 2.5em 
}

h3 {
  font: 120% sans-serif
}

h4 {
  font: bold 100% sans-serif
}

h5 {
  font: italic 100% sans-serif
}

h6 {
  font: small-caps 100% sans-serif
}

p {
  margin-top: 0.6em;
  margin-bottom: 0.6em;
}

#cabecera h1 {
  clear: both
}

#principal ul {
  list-style: none;
}