.principal_quem_somos{
	position:relative;
	float:left;
	width: 630px;
	font-family: Verdana, Geneva, sans-serif;
	font-size: 12px;
	text-align: justify;
}
.conteudo_quem{
	position:relative;
	float:left;
	width: 630px;
}
.imagem_1_quemsomos{
	position:relative;
	float:left;
	margin-right: 15px;
	margin-bottom: 10px;
}
.imagem_2_quemsomos{
	position:relative;
	float:right;
	margin-bottom: 10px;
	margin-left: 15px;
}