* {
  padding: 0;
  margin: 0;
}
p {
  margin-bottom: 20px;
}
.wrapper {
  width: 80%;
  margin: auto;
  overflow:hidden;
}
header {
  background: rgba(0,0,0,0.9);
  width: 100%;
  position: fixed;
  z-index: 10;
}

nav {
  float: left; /* Desplazamos el nav hacia la izquierda */
}
nav ul {
  list-style: none;
  overflow: hidden; /* Limpiamos errores de float */
}
nav ul li {
  float: left;
  font-family: Arial, sans-serif;
  font-size: 16px;
}
nav ul li a {
  display: block; /* Convertimos los elementos a en elementos bloque para manipular el padding */
  padding: 20px;
  color: #fff;
  text-decoration: none;
}
nav ul li:hover {
  background: #3ead47;
}
.contenido {
  padding-top: 80px;
}
div{text-align:center;}
p{text-align:justify}
h1{
font-weight:bold;text-decoration:underline;font-style:oblique;font-variant:small-caps;color:#404540;letter-spacing:0pt;word-spacing:2pt;font-size:41px;text-align:center;font-family:times new roman, times, serif;line-height:2;
}
Consol{
background:#f9f9f9;border:1px #aaaaaa solid;border-collapse:collapse}
td{border:1px #aaaaaa solid;padding:0.2em}
th{background:#f2f2f2;text-align:center}
div.centrado{ 
text-align: center; 
display:block;
} 
div.centrado table { 
margin-right:0px; 
text-align: center; 
} 
.nirvana{display:inline;
float:right;
position: relative;
bottom: 435px}
h2{
font-weight:bold;text-decoration:underline;font-style:oblique;font-variant:small-caps;color:#404540;letter-spacing:0pt;word-spacing:2pt;font-size:41px;text-align:center;font-family:times new roman, times, serif;line-height:2; text-align:left;
}