.link_1 {
	background-image:url(buton_images/link_1.jpg);
	background-repeat:no-repeat;
	background-position: center;
}
.link_1_active {
	background-image:url(buton_images/link_1_active.jpg);
	background-repeat:no-repeat;
	background-position: center;
}
.link_1_active_middle {
	background-image:url(buton_images/link_1_active_middle.jpg);
	background-repeat:no-repeat;
	background-position: center;
}
.link_3_active {
	background-image:url(buton_images/link_3_active.jpg);
	background-repeat:no-repeat;
	background-position: left;
}
.link_3 {
	background-image:url(buton_images/link_3.jpg);
	background-repeat:no-repeat;
	background-position: left;
}

a.menu-link_2, a.menu-link_2:visited {
	background-image:url(buton_images/link_2.jpg);
	background-repeat:no-repeat;
	background-position: left;
	color:#FE8100;
	position: relative;
	height: 37px;
	width: 107px;
	line-height: 37px;
	text-decoration: none;
	font-weight: bold;
	font-size: 16px;
	text-align: left;
	display: block;
	font-family: Arial;
	letter-spacing: 1px;
}
a.menu-link_2:hover {
	background-image:url(buton_images/link_2_hover.jpg);
	background-repeat:no-repeat;
	background-position: center;
	color:#FE8100;
	position: relative;
	height: 37px;
	width: 107px;
	line-height: 37px;
	text-decoration: none;
	font-weight: bold;
	font-size: 16px;
	text-align: left;
	display: block;
	font-family: Arial;
	letter-spacing: 1px;
}
a.menu-link_2:active {
	background-image:url(buton_images/link_2_hover.jpg);
	background-repeat:no-repeat;
	background-position: center;
	color:#FFFFFF;
	position: relative;
	height: 37px;
	width: 107px;
	line-height: 37px;
	text-decoration: none;
	font-weight: bold;
	font-size: 16px;
	text-align: left;
	display: block;
	font-family: Arial;
	letter-spacing: 1px;
}

a.link_2, a.link_2:hover {
	background-image:url(buton_images/link_2_active.jpg);
	background-repeat:no-repeat;
	background-position: center;
	color:#FFFFFF;
	position: relative;
	height: 37px;
	width: 107px;
	line-height: 37px;
	text-decoration: none;
	font-weight: bold;
	font-size: 16px;
	text-align: left;
	display: block;
	font-family: Arial;
	letter-spacing: 1px;
}

a.link_linie_porto, a.link_linie_porto:active, a.link_linie_porto:visited, a.link_linie_porto:hover {
	color:#FFFFFF;
	text-decoration: none;
	font-weight: bold;
	font-size: 14px;
	text-align: left;
	font-family: Arial;
}