div.login{
  width: 400;
  font-family: Arial, Helvetica, sans-serif;
  border:  #D3E5FB solid 2px;
  
}
/*--------------------------------*/
div.menu{
  width: 150;
  font-family: Arial, Helvetica, sans-serif;
  border:  #D3E5FB solid 2px;
	 
}
/*--------------------------------*/
div.contenido{
    width: 500;
    font-family: Arial, Helvetica, sans-serif;
     
}
/*--------------------------------*/