.home {background:url(../images/site/menu/home.png) no-repeat; width: 63px; height:42px; float:left; cursor:pointer; position:absolute; }
.home:hover{background-position:left -42px }

.historia {background:url(../images/site/menu/historia.png) no-repeat; width: 83px; height:42px; float:left; cursor:pointer; position:absolute; margin-left:63px  }
.historia:hover{background-position:left -42px }

.produtos {background:url(../images/site/menu/produtos.png) no-repeat; width: 93px; height:42px; float:left; cursor:pointer; position:absolute; margin-left:146px  }
.produtos:hover{background-position:left -42px }

.noticias {background:url(../images/site/menu/noticias.png) no-repeat; width: 83px; height:42px; float:left; cursor:pointer; position:absolute; margin-left:239px  }
.noticias:hover{background-position:left -42px }

.producao {background:url(../images/site/menu/producao.png) no-repeat; width: 94px; height:42px; float:left; cursor:pointer; position:absolute; margin-left:322px  }
.producao:hover{background-position:left -42px }

.premios {background:url(../images/site/menu/premios.png) no-repeat; width: 80px; height:42px; float:left; cursor:pointer; position:absolute; margin-left:416px  }
.premios:hover{background-position:left -42px }

.atividades {background:url(../images/site/menu/atividades.png) no-repeat; width: 99px; height:42px; float:left; cursor:pointer; position:absolute; margin-left:496px  }
.atividades:hover{background-position:left -42px }

.contato {background:url(../images/site/menu/contato.png) no-repeat; width: 78px; height:42px; float:left; cursor:pointer; position:absolute; margin-left:595px  }
.contato:hover{background-position:left -42px }