* {text-indent:0px ; margin:0px ; padding:0px ; border:0px}
body        {text-align: center }
#global     {width:800px ; margin:4px auto }
#cabecera   {background-color: pink }
#navegacion {background-color: gray }
#contenido  {background-color: orange ; width: 800px ; float:left }
#menu       {background-color: yellow ; width: 150px ; float:left ; text-align:left ;}
#menu li    {list-style:none ; margin: 4px 0px 4px 6px}
#pie        {background-color: brown }

a         {color: brown ; text-decoration:none ; display: block }
a:link    {}
a:visited {}
a:hover   {color:red ; text-decoration:underline ; background-color: silver}
a:active  {}

p {text-align: justify}