.tm_ul li
{
	float:left;
	list-style:none;
}

.tm_ul li a
{
	overflow:hidden;
	outline:inherit;
	text-indent:-9999px;
	display:block;
	height:24px;
}

.tm_impactos a
{
	width:96px;
	background-image:url(../imagens/menu_impactos.jpg);
}

.tm_entenda a
{
	width:95px;
	background-image:url(../imagens/menu_entenda.jpg);
}

.tm_alternativas a
{
	width:207px;
	background-image:url(../imagens/menu_alternativas.jpg);
}

.tm_perguntas a
{
	width:179px;
	background-image:url(../imagens/menu_perguntas.jpg);
}

.tm_noticias a
{
	width:78px;
	background-image:url(../imagens/menu_noticias.jpg);
}