body {
	margin:0 auto;
	padding:0;
	background-image:url(../imagens/tecnologia.jpg);
	background-size: 100% 100%;
	background-attachment:fixed;
	background-repeat:no-repeat;
	background-color:#d7ebf8;
	font-family:Verdana, Geneva, sans-serif;
	font-size:12px;
	
}

#menu_topo	{
	/*background:#92affb;*/
	width:100%;
	height:30px;
	position:fixed !important;
	margin:0 auto;
	padding:0;
}

#menu_bt	{
	background-image:url(../imagens/topo.png);
/*	background-attachment:fixed;
	background-repeat:no-repeat;*/
	background-position:inherit;
	margin:auto;
	padding:0;
	width:800px;
	height:25px;
	/*margin-top:5px;*/
}

#bt_nomes	{
	color:#000;
	text-align:center;
	/*font-family:Arial, Helvetica, sans-serif;
	font-size:12px;	*/
}

#corpo	{
	margin:auto;
	padding:0;
	width:800px;
	height:900px;
	background:url(../imagens/transparencia.png);
}

#corpo2	{
	margin:auto;
	padding:0;
	width:800px;
	height:500px;
	overflow:auto;
	background:url(../imagens/transparencia.jpg);
}