/* CSS Document */
body {
background-color: #909090;
  border: 0px;
  margin: 0px;
  padding: 0px;
}
.contenedor { position:absolute;
margin-right: auto;
margin-left: auto;
  width: 980px;
  height : 750;
  margin-top:0;
  color : #333;  
  margin: 0px;
  padding: 0px;
}
.superior {
  width: 980px;
  height: 70px;
  text-align:left;
  margin-top:0;
  border:0px;
  margin: 0px;
  border:0px;
  background-color : #72706F;
}
.cuerpo {
  width: 980px;
  height : 700px;
  text-align:left;
  margin-top:0;
  border:0px;
  margin: 0px;
  padding: 0px;
  background-color : #646260;
}