.header_btn01{background:url(../images/header/menu/institucional.gif) no-repeat; width:81px; height:37px; text-indent:-19999px; display:block;}
.header_btn01 a{width:81px; height:37px; display:block; position:relative;}
.header_btn01 a:hover{background:url(../images/header/menu/institucional-hover.gif) no-repeat;}
.header_btn01_hover{background:url(../images/header/menu/institucional-hover.gif) no-repeat; text-indent:-19999px; display:block; width:81px; height:37px;}
.header_btn01_hover a{background:url(../images/header/menu/institucional-hover.gif) no-repeat; text-indent:-19999px; display:block; width:81px; height:37px;}

.header_btn02{background:url(../images/header/menu/capitalhumano.gif) no-repeat; width:101px; height:37px; text-indent:-19999px; display:block;}
.header_btn02 a{width:101px; height:37px; display:block; position:relative;}
.header_btn02 a:hover{background:url(../images/header/menu/capitalhumano-hover.gif) no-repeat;}
.header_btn02_hover{background:url(../images/header/menu/capitalhumano-hover.gif) no-repeat; text-indent:-19999px; display:block; width:101px; height:37px;}
.header_btn02_hover a{background:url(../images/header/menu/capitalhumano-hover.gif) no-repeat; text-indent:-19999px; display:block; width:101px; height:37px;}

.header_btn03{background:url(../images/header/menu/fornecedor.gif) no-repeat; width:77px; height:37px; text-indent:-19999px; display:block;}
.header_btn03 a{width:77px; height:37px; display:block; position:relative;}
.header_btn03 a:hover{background:url(../images/header/menu/fornecedor-hover.gif) no-repeat;}
.header_btn03_hover{background:url(../images/header/menu/fornecedor-hover.gif) no-repeat; text-indent:-19999px; display:block; width:77px; height:37px;}
.header_btn03_hover a{background:url(../images/header/menu/fornecedor-hover.gif) no-repeat; text-indent:-19999px; display:block; width:77px; height:37px;}

.header_btn04{background:url(../images/header/menu/cliente.gif) no-repeat; width:51px; height:37px; text-indent:-19999px; display:block;}
.header_btn04 a{width:51px; height:37px; display:block; position:relative;}
.header_btn04 a:hover{background:url(../images/header/menu/cliente-hover.gif) no-repeat;}
.header_btn04_hover{background:url(../images/header/menu/cliente-hover.gif) no-repeat; text-indent:-19999px; display:block; width:51px; height:37px;}
.header_btn04_hover a{background:url(../images/header/menu/cliente-hover.gif) no-repeat; text-indent:-19999px; display:block; width:51px; height:37px;}

.header_btn05{background:url(../images/header/menu/imprensa.gif) no-repeat; width:64px; height:37px; text-indent:-19999px; display:block;}
.header_btn05 a{width:64px; height:37px; display:block; position:relative;}
.header_btn05 a:hover{background:url(../images/header/menu/imprensa-hover.gif) no-repeat;}
.header_btn05_hover{background:url(../images/header/menu/imprensa-hover.gif) no-repeat; text-indent:-19999px; display:block; width:64px; height:37px;}
.header_btn05_hover a{background:url(../images/header/menu/imprensa-hover.gif) no-repeat; text-indent:-19999px; display:block; width:64px; height:37px;}

.header_btn06{background:url(../images/header/menu/sustentabilidade.gif) no-repeat; width:105px; height:37px; text-indent:-19999px; display:block;}
.header_btn06 a{width:105px; height:37px; display:block; position:relative;}
.header_btn06 a:hover{background:url(../images/header/menu/sustentabilidade-hover.gif) no-repeat;}
.header_btn06_hover{background:url(../images/header/menu/sustentabilidade-hover.gif) no-repeat; text-indent:-19999px; display:block; width:105px; height:37px;}
.header_btn06_hover a{background:url(../images/header/menu/sustentabilidade-hover.gif) no-repeat; text-indent:-19999px; display:block; width:105px; height:37px;}

.header_btn07{background:url(../images/header/menu/institutowm.gif) no-repeat; width:110px; height:37px; text-indent:-19999px; display:block;}
.header_btn07 a{width:110px; height:37px; display:block; position:relative;}
.header_btn07 a:hover{background:url(../images/header/menu/institutowm-hover.gif) no-repeat;}
.header_btn07_hover{background:url(../images/header/menu/institutowm-hover.gif) no-repeat; text-indent:-19999px; display:block; width:110px; height:37px;}
.header_btn07_hover a{background:url(../images/header/menu/institutowm-hover.gif) no-repeat; text-indent:-19999px; display:block; width:110px; height:37px;}

.header-apoio_btn00{background:url(../images/header/menu/spacer-menu.gif) no-repeat; width:15px; height:37px; text-indent:-19999px; display:block;}

.header-apoio_btn01{background:url(../images/header/menu/newsletter.gif) no-repeat; width:69px; height:37px; text-indent:-19999px; display:block;}
.header-apoio_btn01 a{width:69px; height:37px; display:block; position:relative;}
.header-apoio_btn01 a:hover{background:url(../images/header/menu/newsletter.gif) no-repeat;}

.header-apoio_btn02{background:url(../images/header/menu/rss.gif) no-repeat; width:35px; height:37px; text-indent:-19999px; display:block;}
.header-apoio_btn02 a{width:35px; height:37px; display:block; position:relative;}
.header-apoio_btn02 a:hover{background:url(../images/header/menu/rss.gif) no-repeat;}

.header-apoio_btn03{background:url(../images/header/menu/mapadosite.gif) no-repeat; width:85px; height:37px; text-indent:-19999px; display:block;}
.header-apoio_btn03 a{width:85px; height:37px; display:block; position:relative;}
.header-apoio_btn03 a:hover{background:url(../images/header/menu/mapadosite.gif) no-repeat;}