body  {	background:#f5f5f5 url(/images/bg.jpg);
	margin-left:3%;margin-right:2%;
	font-family:Arial;font-size:80%;color:#333333}
H2    {	text-align:center;font-weight:bold;font-size:large;color:#aa5555}
.h2   {	font-size:120%;color:#aa5555}
.thn  {	font-size:110%;color:#333399}
.h3   {	font-size:110%;color:#444444}
.h4   {	font-size:11px;font-weight:bold;color:#666666;
	text-align:right;margin-left:50}
p     { text-indent:25;margin:5;text-align:justify}
p.ch  { text-indent:0;margin:10;text-align:left}
td    {	font-family:Arial;font-size:80%;color:#222222}
<input.but>	{border-style:dashed;
	border-width:1px;
	border-color:#666666;
	font-weight:bold;
	color:#ffffff;
	background:#dd4444;
        margin-top:0;
	}