.menu {
    position: relative;
    z-index: 10;
    margin-left: 0px;
}

.menu dl {
    width: 144px;
    margin: 0;
    padding: 0;
}

.menu dt {
    margin: 0;
    padding: 0;
    height: 40px;
    width: 144px;
    padding: 0;
    cursor: pointer;
    background-repeat: no-repeat;
    background-position: top;
    color: #fff;
    font-weight: bold;
    text-align: center;
    vertical-align: bottom;
}

.menu dt:hover {
    background-position: bottom;
}

.menu dt.menu1 {
    background-image: url('../img/develop_menu_1.gif');
}

.menu dt.menu2 {
    background-image: url('../img/develop_menu_2.gif');
}

.menu dt.menu3 {
    background-image: url('../img/develop_menu_3.gif');
}

.menu dt.menu4 {
    background-image: url('../img/develop_menu_4.gif');
}

.menu dd.inter_item
{
    border-left: 1px solid #ffffff;
    border-right: 1px solid #ffffff;
}

.menu dd.last_item
{
    border-left: 1px solid #ffffff;
    border-right: 1px solid #ffffff;
    border-bottom: 1px solid #ffffff;
}


.main_menu_option_home {
    width: 102px;
    height: 94px;
    overflow: hidden;
    float: left;
    background: #fff url('../img/nantech_menu_home.gif') no-repeat top;
    cursor: pointer;
}

.main_menu_option_home:hover {
    background: #fff url('../img/nantech_menu_home.gif') no-repeat bottom;
}


.main_menu_option_o_firmie {
    width: 102px;
    height: 94px;
    overflow: hidden;
    float: left;
    background: #fff url('../img/nantech_menu_o_firmie.gif') no-repeat top;
    cursor: pointer;
}

.main_menu_option_o_firmie:hover {
    background: #fff url('../img/nantech_menu_o_firmie.gif') no-repeat bottom;
}

.main_menu_option_uslugi {
    width: 102px;
    height: 94px;
    overflow: hidden;
    float: left;
    background: #fff url('../img/nantech_menu_uslugi.gif') no-repeat top;
    cursor: pointer;
}

.main_menu_option_uslugi:hover {
    background: #fff url('../img/nantech_menu_uslugi.gif') no-repeat bottom;
}

.main_menu_option_certyfikaty {
    width: 102px;
    height: 94px;
    overflow: hidden;
    float: left;
    background: #fff url('../img/nantech_menu_certyfikaty.gif') no-repeat top;
    cursor: pointer;
}

.main_menu_option_certyfikaty:hover {
    background: #fff url('../img/nantech_menu_certyfikaty.gif') no-repeat bottom;
}

.main_menu_option_kariera {
    width: 102px;
    height: 94px;
    overflow: hidden;
    float: left;
    background: #fff url('../img/nantech_menu_kariera.gif') no-repeat top;
    cursor: pointer;
}

.main_menu_option_kariera:hover {
    background: #fff url('../img/nantech_menu_kariera.gif') no-repeat bottom;
}

.main_menu_option_kontakt {
    width: 100px;
    height: 94px;
    overflow: hidden;
    float: left;
    background: #fff url('../img/nantech_menu_kontakt.gif') no-repeat top;
    cursor: pointer;
}

.main_menu_option_kontakt:hover {
    background: #fff url('../img/nantech_menu_kontakt.gif') no-repeat bottom;
}

.sidemenu {
    width: 280px;
    padding-left: 20px;
    padding-top: 4px;
    height: 32px;
    text-align: right;
    vertical-align: middle;
    background-color: transparent;
    border-bottom: 1px solid #ccc;
    font-size: 11px;
}

.sidemenu:hover {
    background: transparent url('../img/nantech_sidemenu_over.gif');
}