/* Skelet */
        @media screen and (orientation: portrait){
            .header {
            height: 190px;
            }
            
            .menu_logo {
            width: 100%;
            }
            
            .icon_eng{
            position: fixed;
            top: 30px;
            right: 40px;
            }

            .icon_ger{
            position: fixed;
            top: 30px;
            right: 100px;
            }
            
            .middle{
            margin-top: 190px;
            }
            

        }

        @media screen and (orientation: landscape) {
            .header {
            height: 95px;
            }
            
            .menu_logo {
            width: 30%;
            }
            
            .icon_eng{
            position: fixed;
            top: 15px;
            right: 10px;
            }

            .icon_ger{
            position: fixed;
            top: 50px;
            right: 10px;
            }
            
            .middle{
            margin-top: 95px;
            }
                  
        }
        
        body {
            align-self: center;
            margin: 0;
            padding: 0;
            font-family: 'Montserrat', sans-serif;
            height: 100vh;
            background-image: linear-gradient(white, #ddd);
        }

        .header {
            position: fixed;
            z-index: 99;
            width: 100%;
            left: 0;
            top: 0;
            background: rgba(235, 235, 235, 0.98);
        }

        .menu_logo {
            float: left;
            transform: scale();     
            padding-right: 50px;
            padding-left: 10%;
            padding-top: 5px;
            height: 90px;
        }

        .middle{
            width: 100%;
            height: auto;
            margin-left: auto;
            margin-right: auto;
            float: left;
        }

        .middle_logo_wrapper {
            width: 100%;
            height: auto;
            overflow: hidden;
            position: relative;
        }

        .middle_logo_bode {
            width: 400px;
            height: 200px;
            padding: 20px;
            position: absolute;
            top: 30%;
            left: 37%;
            background: url(../grf/bo-de_logo_new.png);
            background-size: contain;
            background-repeat: no-repeat;
        }

        .middle_logo_contact {
            height: 500px;
            background: url(../grf/logo_contact.JPG);
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }

        .middle_logo_prod {
            height: 500px;
            background: url(../grf/prod/logo_prod.JPG);
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }

        .middle_logo_lab {
            height: 500px;
            background: url(../grf/lab/logo_lab.JPG);
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }

        .middle_logo_praca {
            height: 500px;
            background: url(../grf/prac/logo_prac.JPG);
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }

        .middle_logo_inscription {
            width: 100%;
            height: 200px;
            padding: 20px;
            position: absolute;
            top: 30%;
            text-align: center;
        }

        .middle_about {
            width: 100%;
            height: auto;
            padding-top: 30px;
            padding-bottom: 30px;
            text-align: center;
            float: left; 
            background: #f9fbf9;
        }

        .middle_profile {
            width: 100%;
            height: auto;
            float: left;
            text-align: left;
            background: #f9fbf9;
        }

        .middle_profile_l {
            width: 38%;
            margin-left: 10%;
            margin-right: 2%;
            height: auto;
            float: left;
            text-align: left;
            line-height: 1.4;
        }

        .middle_profile_r {
            width: 38%;
            margin-left: 2%;
            margin-right: 10%;
            height: auto;
            float: left;
            text-align: left;
            line-height: 1.4;
        }

        .middle_def {
            width: 100%;
            height: auto;
            float: left;
            text-align: left;
            padding-top: 50px;
            background: #f9fbf9;
        }

        .middle_contact_l {
            width: 28%;
            margin-left: 25%;
            margin-right: 2%;
            height: auto;
            float: left;
            text-align: left;
        }

        .middle_contact_r {
            width: 20%;
            margin-left: 2%;
            margin-right: 10%;
            height: auto;
            float: left;
            text-align: left;
        }

        .middle_prod_wrapper {
            width: 70%;
            margin-left: auto;
            margin-right: auto;
            margin-bottom: 50px;
            height: auto;
        }

        .middle_prod_l {
            width: 30%;
            height: auto;
            float: left;
            text-align: left;
            text-align: center;
            margin-top: 50px;
        }

        .middle_prod_r {
            width: 68%;
            margin-left: 2%;
            height: auto;
            float: left;
            text-align: left;
            margin-top: 50px;
            line-height: 1.4;
        }

        .middle_prac_l {
            width: 30%;
            height: auto;
            float: left;
            text-align: left;
            text-align: center;
            margin-top: 50px;
        }

        .middle_prac_r {
            padding-top: 70px;
            width: 60%;
            margin-left: 10%;
            height: auto;
            float: left;
            text-align: left;
            margin-top: 50px;
            line-height: 2;
        }

        .middle_gallery_wrapper {
            width: 100%;
            height: auto;
            float: left;
            position: relative;
        }

        .middle_gallery {
            width: 100%;
            margin-left: auto;
            margin-right: auto;
            height: 35em;
            float: left;
            background: #131513;
        }

        .middle_gallery_3 {
            width: 100%;
            margin-left: auto;
            margin-right: auto;
            height: 15em;
            float: left;
            padding: 0;
            margin: 0;
        }

        .footer {
            width: 100%;
            height: auto;  
            float: left;
            text-align: center;
            background: #dBdBdB;
        }

        .footer_wrapper {
            width: 60%;
            height: auto;
            margin-left: 20%;
            float: left;
            padding-top: 50px;
            padding-bottom: 50px;
        }

        .footer_top {
            width: 100%;
            height: auto;
            float: left;
            padding-bottom: 50px;
        }

        .footer_middle {
            width: 100%;
            height: auto;
            padding-top: 50px;
            float: left;
            text-align: left;
            border-top: solid 1px #018788;
        }

        .footer_middle_part {
            width: 30%;
            height: auto;
            float: left;
            padding-left: 1%;
            padding-right: 1%;
            text-align: center;
        }

        .footer_bottom {
            height: 25px;
            width: 100%;
            text-align: left;
            text-align: center;
            padding-top: 5px; 
            clear: both;
            position: relative;
            font-size: 0.8vw;
        }

        .footer_contact {
            width: 100%;
            height: auto;
        }