.tabla_externa { 
background-color: #FFFFFF; 
padding-top: 0px; 
padding-right: 25px; 
padding-bottom: 25px; 
padding-left: 25px; 
border: 1px #000000 
solid; 
background-image: url(http://dsiweb.uach.mx/Economicos/images/bak_top.gif); 
background-repeat: repeat-x}

ul#navlist
{
font-family: verdana;
font-size: 12px;
font-weight: bold;
margin-left: 0;
padding-left: 0;
margin-bottom: 2;
white-space: nowrap;
}

p
{
font-family: verdana;
font-size: 11px;
}

h2
{
font-family: verdana;
font-size: 16px;
}

h3
{
font-family: verdana;
font-size: 18px;
}

#navlist li
{
display: inline;
list-style-type: none;

}

#navlist a { padding: 3px 10px; }

#navlist a:link, #navlist a:visited
{
color: #fff;
background-color: #ccceb4;
text-decoration: none;
}

#navlist a:hover
{
color: #000000;
background-color: #cccccc;
text-decoration: none;
}

#user {padding: 15px; background-color: #f4f4ec}

#data {background-color: #ffffff; border: 1px; border-color: #999999; border-style: solid;
font-family: verdana;
font-size: 10px;
text-align: center;	
}

a {
        color: 990000;
        text-decoration: none
        }

a:hover {
        color: ff0000;
        text-decoration: none
        }


.buttons    {color:#9999;
   font-family: verdana,helvetica,sans-serif;
   font-size: 70%;
   font-weight:normal;
   padding:2px;
   background-color:#f0f0f0;
   border:1px solid;
   border-top-color:#ccc;
   border-left-color:#ccc;
   border-right-color:#666;
   border-bottom-color:#666;}


.tabla_interna {border: 1px; 
border-color: #cccccc; 
border-style: 
solid; 
padding: 15px}