* {
    margin: 0;
    padding: 0;
}

html {
    height: 100%;
    display: table;
    width: 100%;
}

body {
    margin: 0;
    padding: 0;
    background-image: url(../img/background_foto.jpg);
    background-position: center center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-size: cover;
    height: 100%;
    display: table-cell;
}

div.white {
    width: 100%;
    height: fit-content;
    min-height: 100%;
    background-color: #FFFFFF;
    opacity: 0.97;
}

.logo {
    text-align: center;
    padding-top: 40px;
    padding-bottom: 40px;
    width: 100%;
}

.rahmen {
    background-color: #FFFFFF;
    text-align: center;
}

.rahmen a div {
    display: table-cell;
    /* font-size: 0; */
    /* margin-left: -4px; */
    /* margin-bottom: -4px; */
    /* margin-top: 31px; */
    height: 308px;
    width: 300px;
}

.tree {
    position: relative;
    margin-left: auto;
    margin-right: auto;
    width: 1230px;
    height: 100%;
    background-color: #FFFFFF;
}

.menu {
    background-color: #FFFFFF;
    height: 0px;
    height: 30px;
    text-align: center;
}

.menu a {
    display: inline-block;
    font-size: 0;
    margin-left: -3px;
    margin-bottom: -4px;
    width: 303px;
    background-color: FFFFFF;
}

.menu a div {
    height: 30px;
    text-align: center;
}

.change_img_ueber {
    background-image: url('../n_img/banner_01_off.jpg');
    background-repeat: no-repeat;
}

.change_img_ueber:hover {
    background-image: url('../n_img/banner_01_on.jpg');
    background-repeat: no-repeat;
}

.change_img_ueber_on {
    background-image: url('../n_img/banner_01_on.jpg');
    background-repeat: no-repeat;
}

.change_img_service {
    background-image: url('../n_img/banner_02_off.jpg');
    background-repeat: no-repeat;
}

.change_img_service:hover {
    background-image: url('../n_img/banner_02_on.jpg');
    background-repeat: no-repeat;
}

.change_img_service_on {
    background-image: url('../n_img/banner_02_on.jpg');
    background-repeat: no-repeat;
}

.change_img_projekte {
    background-image: url('../n_img/banner_03_off.jpg');
    background-repeat: no-repeat;
}

.change_img_projekte:hover {
    background-image: url('../n_img/banner_03_on.jpg');
    background-repeat: no-repeat;
}

.change_img_projekte_on {
    background-image: url('../n_img/banner_03_on.jpg');
    background-repeat: no-repeat;
}

.change_img_gallery {
    background-image: url('../n_img/banner_04_off.jpg');
    background-repeat: no-repeat;
}

.change_img_gallery:hover {
    background-image: url('../n_img/banner_04_on.jpg');
    background-repeat: no-repeat;
}

.change_img_gallery_on {
    background-image: url('../n_img/banner_04_on.jpg');
    background-repeat: no-repeat;
}

.change_menulink_ueber {
    background-image: url('../img/ueber_uns_off.jpg');
    background-position: center;
    background-repeat: no-repeat;
    margin: auto;
}

.change_menulink_ueber:hover {
    background-image: url('../img/ueber_uns_on.jpg');
    background-position: center;
    background-repeat: no-repeat;
    margin: auto;
}

.change_menulink_service {
    background-image: url('../img/unser_service_off.png');
    background-position: center;
    background-repeat: no-repeat;
    margin: auto;
}

.change_menulink_service_on {
    background-image: url('../img/unser_service_on.png');
    background-position: center;
    background-repeat: no-repeat;
    margin: auto;
}

.change_menulink_service:hover {
    background-image: url('../img/unser_service_on.png');
    background-position: center;
    background-repeat: no-repeat;
    margin: auto;
}

.change_menulink_projekte {
    background-image: url('../img/projekte_off.png');
    background-position: center;
    background-repeat: no-repeat;
    margin: auto;
}

.change_menulink_projekte:hover {
    background-image: url('../img/projekte_on.png');
    background-position: center;
    background-repeat: no-repeat;
    margin: auto;
}

.change_menulink_gallery {
    background-image: url('../img/galerie_off.png');
    background-position: center;
    background-repeat: no-repeat;
    margin: auto;
}

.change_menulink_gallery_on {
    background-image: url('../img/galerie_on.png');
    background-position: center;
    background-repeat: no-repeat;
}

.change_menulink_gallery:hover {
    background-image: url('../img/galerie_on.png');
    background-position: center;
    background-repeat: no-repeat;
    margin: auto;
}

.change_menulink_ueber_on {
    background-image: url('../img/ueber_uns_on.jpg');
    background-position: center;
    background-repeat: no-repeat;
}

.change_menulink_projekte_on {
    background-image: url('../img/projekte_on.png');
    background-position: center;
    background-repeat: no-repeat;
}

.change_menulink_gallery_on {
    background-image: url('../img/galerie_on.png');
    background-position: center;
    background-repeat: no-repeat;
}

.content {
    padding-top: 40px;
    /* text-align: center; */
    width: 1140px;
    margin: auto;
    padding-bottom: 60px;
}

hr {
    height: 1px;
    color: #a89864;
    background-color: #a89864;
    border: 0 none;
    max-width: 1140px;
}

.header_img {
    text-align: left;
}

.header_txt {
    text-align: left;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 16px;
    color: #333333;
}

.header_galerie {
    margin-top: 10px;
}

.header_galerie {
    text-align: left;
    max-width: 1150px;
}

.header_galerie img {
    margin-top: 12px;
    margin-left: 12px;
}

.header_subimg {
    margin-top: 10px;
    float: left;
}

.header_subtext {
    margin-top: 10px;
    float: none;
}

.footer {
    /* text-align: center; */
    position: absolute;
    bottom: 0px;
    padding-bottom: 10px;
    margin-left: auto;
    margin-right: auto;
    width: 100%;
    background-color: #ffffff;
}

.footer_txt {
    text-align: left;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 16px;
    color: #a89864;
    background-color: #ffffff;
}

div.back {
    margin-top: 35px;
    padding-bottom: 35px;
    margin-left: 15px;
    text-align: left;
}

div.back a {
    color: #a89864;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 16px;
    text-decoration: underline;
}