* {
  margin:0px;
  padding:0px;
}

#contenedor {

  width:770px;
  margin:5px;
  border:2px solid #333333;
  background-color:#143D7C; 
  cursor: default;
  font-family: Arial, Tahoma, Verdana, Helvetica, sans-serif;
  font-size: 12px;
  text-align:left;
  color:#FFFFFF;
}

#encabezado {

  clear:both;
}

#columna1 {

  float:left;
  width:135px;
  margin:5px 0 0 5px;
  display:inline;
}

#columna2 {

  margin-left:140px;
  margin-right:185px;
  width:auto;
  text-align:left;
  font-family: Arial, Tahoma, Verdana, Helvetica, sans-serif;
  font-size: 12px;
  color:#FFFFFB;
  padding: 0 10px 0 0;
}

#columna3 {

  float:right;
  width:185px;
  font-family: Arial, Tahoma, Verdana, Helvetica, sans-serif;
  font-size: 12px;
  text-align:left;
  color:#FFFFFB;
  padding: 0 5px 0 0px;
}

#pie {

  padding:0px;
  color:#FFFFFF;
  clear:both;
  width:770px;
  background-color:#103265;
}

#interna_principal {

  margin-left:140px;
  padding: 10px 0 0 0;
  width:auto;
  text-align:left;
  font-family: Arial, Tahoma, Verdana, Helvetica, sans-serif;
  font-size: 12px;
  color:#FFFFFB;
  border-left:1px solid #103265;
}