a:link { color: lightgreen; }
a:active { color: white; }
a:visited { color: green; }

h1 { background-color: green;
  color: yellow;
  font-size: large;
  padding: 5px;
  border: solid lightgreen;
  margin: 0;
  text-align: center;
}

.img {
  text-align: center;
  font-weight: bold;
  font-size: small;
  font-style: italic;
}
.num_pag {
  text-align: center;
  font-style: italic;
}

body.narracion {
  margin-right: 1em; 
  font-family: "Arial" sans-serif;
  text-align: justify;
  background-position: 0% -260px;
}

body {
  background-image: url(ranita.jpg);
  background-repeat: repeat-y;
  background-attachment: fixed;
  background-color: #001000;
  color: lightyellow;
  margin-left: 10em;
}