h1 {text-align:center ; color:#0000ff }
h2 { color:#ff0000 ; margin-top:0px; margin-bottom:0px; }
 
strong {
	font-weight:bolder;
	color:#FF0000;
}

.prg 
{
	border:solid;
	border-color:#000000;
	border-width:1px;
	background-color:#aaffaa;
	padding:10px;
}

.dos {
	border:inset ; border-color:#AAAAAA ;border-width:2px ;
	background-color:#000000 ; color:#DDDDDD ; 
	padding:10px ;
}

a:link	{color:#0000FF}
a:visited	{color:#AA00AA}
a:hover	{color:#FF0000}