a {
            text-decoration: none;
        }

        body {
            background-image: url("bg_kleur4.png");
        }

        #kop1 {
            background-color: rgb(222, 43, 109);
        }

        .tab1 {
            background-color: rgb(222, 43, 109);
        }

        .tab2 {
            background-color: rgb(43, 32, 114);
        }

        .tab3 {
            background-color: rgb(51, 140, 215);
        }

        .tab4 {
            background-color: rgb(59, 139, 56);
        }

        .tab1-hover:hover {
            color: white !important;
            background-color: rgb(223, 111, 152) !important;
        }

        .tab2-hover:hover {
            color: white !important;
            background-color: rgb(56, 47, 112) !important;
        }

        .tab3-hover:hover {
            color: white !important;
            background-color: rgb(85, 157, 216) !important;
        }

        .tab4-hover:hover {
            color: white !important;
            background-color: rgb(86, 141, 84) !important;
        }

        .w3-theme {
            color: #fff !important;
            background-color: #de2b6d !important;
        }

        .w3-hover-theme:hover {
            color: #fff !important;
            background-color: #de2b6d !important;
        }