body {
	margin:0;
	padding:0;
	/*background:#ccc;*/
	text-align:center; /* hack para o IE */
}

#tudo {
	width: 760px;
	margin:0 auto;         
	/*text-align:left;*/ /* "remédio" para o hack do IE */ 
}

#conteudo {
	padding: 5px;
	/*background-color: #eee;*/
}

#log {
	left:30%; 
	margin:0px; 
	padding:0px; 
	top:30%; 
	position:absolute; 
	overflow:hidden; 
	width:583px; 
	height:383px;
	z-index: 10000;
}

#bloqueio {
    position: absolute;
    margin:0px; 
	padding:0px;
	overflow:hidden;
    left: 0;
    top: 0;
    z-index: 9000;
    background-color: #000;
    opacity:0.8;
    display: none;
    width:500px; 
    height:500px;
}