.orkut {
	background: url(../imagens/logomarcas/orkut.gif) no-repeat left top;
	display: inline-block;
	height: 23px;
	margin: 0 5px 0 0;
	overflow: hidden;
	text-indent: -5000px;
	width: 56px;
}
.share-orkut {
	background: url(../imagens/logomarcas/orkut-compartilhar.gif) no-repeat left top;
	display: inline-block;
	height: 22px;
	overflow: hidden;
	text-indent: -5000px;
	width: 115px;	
}
.facebook-share-dupla {
	background: url(../imagens/logomarcas/facebookduplas.jpg) no-repeat left top;
	display: inline-block;
	height: 28px;
	overflow: hidden;
	text-indent: -5000px;
	width: 183px;	
}