diff --git a/assets/css/style.css b/assets/css/style.css
index ffba294e..e91228d3 100644
--- a/assets/css/style.css
+++ b/assets/css/style.css
@@ -105,47 +105,20 @@ body {
     font-size: 1.25rem;
 }
 
-.primary_nav__navlink.-active,
-.primary_nav__sub_navlink.-active  {
+.primary_nav__navlink.-active  {
     color: var(--wtf-orange);
     text-decoration: underline;
 }
 
-.primary_nav__navitem.-last, .primary_nav__navitem.-last a {
-    margin-right: 0;
-    padding-right: 0;
-}
-
 .primary_nav__navlink {
     color: var(--wtf-nearly-black);
 }
 
-.primary_nav__sub_navlink {
-    color: var(--wtf-nearly-white);
-}
-
 .primary_nav__navlink:hover {
     color: var(--wtf-mid-grey);
     text-decoration: underline;
 }
 
-.primary_nav__sub_navlist {
-    display: none;
-    z-index: 20;
-}
-
-.primary_nav__navlist > li:hover > .primary_nav__sub_navlist {
-    display: block;
-    margin: 2.6rem 0 0 -0.5rem;
-    padding: 0;
-    position: absolute;
-    background-color: var(--wtf-dark-blue);
-    border-left: 2px solid var(--wtf-mid-grey);
-    border-right: 2px solid var(--wtf-mid-grey);
-    border-bottom: 2px solid var(--wtf-mid-grey);
-    box-shadow: 5px 5px 15px 0px rgba(0, 0, 0, 0.35);
-}
-
 /*
  * Gleicht zusammen mit padding von .primary_nav__navitem die Verschiebung durch
  * Submenümarker aus.
@@ -175,13 +148,6 @@ body {
     border-right: 3px solid var(--wtf-nearly-black);
 }
 
-.primary_nav__sub_navitem {
-    margin: 0;
-    padding: 0.5rem 0.5rem;
-    list-style: none;
-    text-align: left;
-}
-
 .header__secondary_nav {
     margin: 4.5rem 0.5rem 0 0;
 }
@@ -236,9 +202,7 @@ header {
     z-index: 1;
 }
 
-.header__button,
-.content__button,
-.claim__button,
+
 .pod_ctrl_box__button {
     height: 3rem;
     margin: 1.5rem 1rem 0rem 0;
@@ -260,11 +224,6 @@ header {
     max-width: 20rem;
 }
 
-.content__button {
-    width: 70%;
-    margin-top: 0;
-}
-
 .header__bg_box {
     margin-top: -0.75rem;
 
@@ -501,18 +460,12 @@ header {
     background-color: transparent;
 }
 
-.sub_claim__box, .claim__background_box {
+.sub_claim__box {
     padding: 0.5rem 1.5rem 3.5rem 1.5rem;
     background-color: var(--wtf-orange);
     z-index: 5;
 }
 
-.sub_claim__button, .claim__button {
-    align-self: flex-end;
-    margin-top: -1.5rem;
-    z-index: 5;
-}
-
 .header__sub_claim h2 {
     font-family: 'Noto Serif', serif;
     font-weight: 700;
@@ -536,23 +489,18 @@ header {
     text-decoration: none;
 }
 
-.content__inner_third_button_link,
-.claim__button_link,
+
 .pod_ctrl_box__button_link {
     color: var(--wtf-nearly-white) !important;
     font-family: 'Lato Bold' !important;
 }
 
-.header__button_link,
-.content__inner_third_button_link,
-.claim__button_link,
+
 .pod_ctrl_box__button_link {
     text-decoration: none !important;
 }
 
-.header__button_link:hover,
-.content__inner_third_button_link:hover,
-.claim__button_link:hover,
+
 .pod_ctrl_box__button_link:hover {
     text-decoration: underline !important;
 }
@@ -588,13 +536,6 @@ h2 {
     margin: 1em 0 0.25em 0;
 }
 
-.content__inner_third_heading {
-    font-family: 'Lato';
-    font-size: 1.5rem;
-    color: var(--wtf-orange);
-    margin-bottom: 1.5rem;
-}
-
 h3 {
     font-family: 'Noto Serif';
     font-size: 1.75rem;
@@ -609,20 +550,6 @@ h4 {
     margin-top: 0.5em;
 }
 
-h5 {
-    font-family: 'Noto Serif';
-    font-size: 1.25rem;
-    line-height: 1.2em;
-    margin-top: 0.5em;
-}
-
-h6 {
-    font-family: 'Noto Serif';
-    font-size: 1rem;
-    line-height: 1.2em;
-    margin-top: 0.5em;
-}
-
 p {
     margin-bottom: 1rem;
 }
@@ -679,13 +606,6 @@ hr.-even {
     color: var(--wtf-light-grey);
 }
 
-.body__separator {
-    max-width: 1080px;
-    width: 90%;
-    margin: 3rem 0 0 0;
-    color: var(--wtf-orange);
-}
-
 .content {
     padding: 1.5rem 0;
     width: 100%;
@@ -713,64 +633,24 @@ hr.-even {
 
 .content__box,
 .contact__box,
-.content__half_box,
-.content__third_box,
-.content__aggregate_box {
+.content__half_box {
     margin: 0 auto;
     padding: 0;
 }
 
-.content__half_box,
-.content__third_box,
-.content__aggregate_box {
+.content__half_box {
     display: flex;
     flex-direction: row;
 }
 
-.content__aggregate_box {
-    flex-wrap: wrap;
-    justify-content: space-between;
-}
-
 .content__inner_half_box {
     width: 50%;
 }
 
-.content__inner_third_box {
-    flex-basis: 33%;
-}
-
-.content__inner_aggregate_box {
-    margin: 1.5rem 1.5rem;
-    flex-basis: 40%;
-    min-width: 300px;
-}
-
 .indented_box {
     padding-left: 1rem;
 }
 
-.flex_heading {
-    margin-top: 0.5rem;
-    z-index: 5;
-}
-
-.claim {
-    display: flex;
-    flex-direction: column;
-}
-
-.claim__text {
-    color: var(--wtf-nearly-white);
-    font-size: 1.2rem;
-    line-height: 1.4em;
-    margin: 0.5rem 0 1.5rem 0;
-}
-
-.claim__button {
-    z-index: 5;
-}
-
 .card {
     margin: 3rem 1.5rem 0 1.5rem;
     max-width: 300px;
@@ -799,26 +679,7 @@ hr.-even {
     text-align: center;
 }
 
-.content__inner_third_image {
-    margin-bottom: 1.5rem;
-}
-
-.content__inner_third_heading_link,
-.content__aggregate_heading_link {
-    color: var(--wtf-light-blue);
-    text-decoration: underline;
-}
-
-.content__inner_third_heading_link:hover,
-.content__aggregate_heading_link:hover {
-    color: var(--wtf-dark-grey);
-}
-
-.content__button_box {
-    width: 100%;
-}
-
-.content__button, {
+, {
     display: block;
     margin: 0 auto 0 auto;
 }
@@ -832,12 +693,7 @@ hr.-even {
     text-align: right;
 }
 
-.content__inline_image {
-    height: 1.25rem;
-    vertical-align: middle;
-}
-
-.content__half_box_image, .content__inner_third_image {
+.content__half_box_image {
     width: 100%;
 }
 
@@ -1087,7 +943,7 @@ hr.-even {
     margin: 3.5rem 1.5rem 0 1.5rem;
 }
 
-.content__inner_box, .content__inner_half_box, .content__inner_third_box {
+.content__inner_box, .content__inner_half_box {
     margin: -0.5rem 1.5rem 0 1.5rem;
 }
 
@@ -1117,11 +973,6 @@ hr.-even {
     height: 1rem;
 }
 
-.content__rss_logo_heading,
-.content__podcast_logo_heading {
-    height: 1.75rem;
-}
-
 
 .content__pagination {
     text-align: center;
@@ -1135,14 +986,11 @@ hr.-even {
 
 }
 
-.nav__wrapper,
-.header__wrapper,
+
 .content__box,
 .contact__box,
 .content__half_box,
 .footer__wrapper,
-.content__third_box,
-.content__aggregate_box,
 .card_grid {
     width: 100%;
     max-width: 1200px;
@@ -1184,8 +1032,7 @@ hr.-even {
     z-index: 0;
 }
 
-.content__inner_box.-card_box,
-.content__inner_box.-card_box_head {
+.content__inner_box.-card_box {
     display: flex;
     justify-content: space-around;
     flex-direction: row;
@@ -1195,10 +1042,6 @@ hr.-even {
     margin: 0;
 }
 
-.content__inner_box.-card_box_head {
-    margin-bottom: -5rem;
-}
-
 .content__box.-columns {
     column-count: var(--column-count);
 }
@@ -1223,15 +1066,10 @@ hr.-even {
     justify-content: flex-start;
 }
 
-.contact_form--required,
-.--error {
+.contact_form--required {
     color: var(--dark-red)
 }
 
-.--success {
-    color: var(--dark-green);
-}
-
 .contact_form__textarea,
 .contact_form__text_input,
 .contact_form__captcha {
@@ -1297,10 +1135,6 @@ footer {
     background-color: var(--wtf-footer-grey);
 }
 
-.footer__content_box {
-
-}
-
 .footer__nav {
     display: flex;
     flex-direction: row;
@@ -1329,9 +1163,6 @@ footer {
 /* footer - Ende */
 
 @media screen and (min-width: 1200px) {
-    .primary_nav__members, .primary_nav__lang_switch {
-        display: none;
-    }
 
     .primary_nav__toggle {
         display: none;
@@ -1347,18 +1178,11 @@ footer {
 }
 
 @media screen and (min-width: 1100px) and (max-width: 1200px) {
-    .header__top_box .header__button {
-        display: auto;
-    }
 
     .header__bg_box {
         grid-template-columns: 15% 82px auto 96px 22.5%;
     }
 
-    .primary_nav__members, .primary_nav__lang_switch {
-        display: none;
-    }
-
     .primary_nav__toggle {
         display: none;
     }
@@ -1381,14 +1205,6 @@ footer {
         margin-left: 0.5rem;
     }
 
-    .header__top_box .header__button {
-        display: auto;
-    }
-
-    .primary_nav__members, .primary_nav__lang_switch {
-        display: none;
-    }
-
     .primary_nav__toggle {
         display: none;
     }
@@ -1404,14 +1220,6 @@ footer {
     .content__inner_box {
         margin: -0.5rem 1.5rem 0 1.5rem;
     }
-
-    .content__button {
-        width: 100%;
-    }
-
-    .content__inner_box.-card_box_head {
-        margin-bottom: 0;
-    }
 }
 
 @media screen and (max-width: 1044px) and (min-width: 960px) {
@@ -1429,14 +1237,6 @@ footer {
         background-position: top -100px right -580px;
     }
 
-    .header__top_box .header__button {
-        display: auto;
-    }
-
-    .primary_nav__members, .primary_nav__lang_switch {
-        display: none;
-    }
-
     .primary_nav__toggle {
         display: none;
     }
@@ -1453,18 +1253,6 @@ footer {
         margin: -0.5rem 1.5rem 0 1.5rem;
     }
 
-    .content__button {
-        width: 100%;
-    }
-
-    .content__inner_box.-card_box_head {
-        flex-direction: column-reverse;
-    }
-
-    .flex_heading {
-        margin: 1.5rem 0 -1.5rem 1.5rem;
-    }
-
     .content__box.-card_box.-homepage {
         margin-top: 0;
         padding-top: 0;
@@ -1498,14 +1286,6 @@ footer {
         margin: 2rem 1.5rem -3rem 1.5rem;
     }
 
-    .header__top_box .header__button {
-        display: auto;
-    }
-
-    .primary_nav__members, .primary_nav__lang_switch {
-        display: none;
-    }
-
     .primary_nav__toggle {
         display: none;
     }
@@ -1522,19 +1302,6 @@ footer {
         margin: -0.5rem 1.5rem 0 1.5rem;
     }
 
-    .content__button {
-        width: 100%;
-    }
-
-    .content__inner_box.-card_box_head {
-        flex-direction: column-reverse;
-        margin-bottom: 0;
-    }
-
-    .flex_heading {
-        margin: 1.5rem 0 -1.5rem 1.5rem;
-    }
-
     .content__box.-card_box.-homepage {
         margin-top: 0;
         padding-top: 0;
@@ -1554,14 +1321,6 @@ footer {
         display: none;
     }
 
-    .header__top_box .header__button {
-        display: auto;
-    }
-
-    .primary_nav__members, .primary_nav__lang_switch {
-        display: none;
-    }
-
     .primary_nav__toggle {
         display: none;
     }
@@ -1574,18 +1333,6 @@ footer {
         margin-right: 0.5rem;
     }
 
-    .content__button {
-        width: 100%;
-    }
-
-    .content__inner_box.-card_box_head {
-        flex-direction: column-reverse;
-    }
-
-    .flex_heading {
-        margin: 1.5rem 0 -1.5rem 1.5rem;
-    }
-
     .content__box.-card_box.-homepage {
         margin-top: 0;
         padding-top: 0;
@@ -1671,10 +1418,6 @@ footer {
         padding-bottom: 2.5rem;
     }
 
-    .header__top_box .header__button {
-        display: auto;
-    }
-
     .header__primary_nav {
         height: 2.5rem;
     }
@@ -1688,14 +1431,6 @@ footer {
         margin-right: 1.5rem;
     }
 
-    .primary_nav__navlist > li:hover > .primary_nav__sub_navlist {
-        margin: 2.2rem 0 0 -0.5rem;
-    }
-
-    .primary_nav__members, .primary_nav__lang_switch {
-        display: none;
-    }
-
     .primary_nav__toggle {
         display: none;
     }
@@ -1709,35 +1444,17 @@ footer {
         margin-bottom: 1rem;
     }
 
-    .content__half_box, .content__third_box {
+    .content__half_box {
         flex-direction: column;
         padding: 0;
         width: auto;
     }
 
-    .content__inner_half_box, .content__inner_third_box {
+    .content__inner_half_box {
         width: auto;
         margin: 0 1.5rem;
     }
 
-    .content__button {
-        width: 40%;
-        margin: 0 0 0 auto;
-    }
-
-    .content__inner_third_heading {
-        margin-top: 3rem;
-    }
-
-    .content__inner_box.-card_box_head {
-        flex-direction: column-reverse;
-        margin-bottom: 0;
-    }
-
-    .flex_heading {
-        margin: 1.5rem 0 -1.5rem 1.5rem;
-    }
-
     .content__box.-card_box.-homepage {
         margin-top: 0;
         padding-top: 0;
@@ -1751,11 +1468,6 @@ footer {
     .pod_ctrl_box {
         margin-top: 1.5rem;
     }
-
-    .content__inner_aggregate_box {
-        margin: 1.5rem 1rem;
-        flex-grow: 1;
-    }
 }
 
 @media screen and (max-width: 595px) {
@@ -1780,10 +1492,6 @@ footer {
         font-size: 1.1rem;
     }
 
-    h5 {
-        font-size: 1.05rem;
-    }
-
     /* global styles - start */
 
     .header__secondary_nav {
@@ -1794,10 +1502,6 @@ footer {
         background-color: transparent;
     }
 
-    .primary_nav__members, .primary_nav__lang_switch {
-        display: block;
-    }
-
     header {
         margin-bottom: 0;
     }
@@ -1848,10 +1552,6 @@ footer {
         font-size: 1.25rem;
     }
 
-    .header__button, .content__button, .claim__button {
-        font-size: 1em;
-    }
-
     .bg_box__top_bar_left,
     .bg_box__top_bar_middle,
     .bg_box__top_bar_right,
@@ -1922,36 +1622,7 @@ footer {
         display: block;
     }
 
-    .primary_nav__sub_navlist {
-        display: block;
-        background-color: transparent;
-        border: none;
-        box-shadow: none;
-        margin: 0 0 0 1rem;
-    }
-
-    .primary_nav__navlist > li:hover > .primary_nav__sub_navlist {
-        margin: 0 0 0 1rem;
-        position: static;
-        background-color: transparent;
-        border: none;
-        box-shadow: none;
-    }
-
-    .primary_nav__sub_navitem {
-        margin: 0;
-        padding: 0.5rem 0.5rem;
-        list-style: none;
-        text-align: left;
-        border-top: 1px solid var(--wtf-mid-grey);
-    }
-
-    .primary_nav__sub_navitem {
-        border-top: none;
-    }
-
-    .primary_nav__navlink,
-    .primary_nav__sub_navlink {
+    .primary_nav__navlink {
         color: var(--wtf-nearly-black)
     }
 
@@ -1961,9 +1632,6 @@ footer {
     /* mobile nav - Ende */
 
     /* homepage - start */
-    .body__separator {
-        margin: 0;
-    }
 
     .content__inner_box.-logo_header {
         margin: -0.5rem 1.5rem 0 1.5rem;
@@ -1973,35 +1641,17 @@ footer {
         margin-bottom: 1rem;
     }
 
-    .content__half_box, .content__third_box {
+    .content__half_box {
         flex-direction: column;
         padding: 0;
         width: auto;
     }
 
-    .content__inner_half_box, .content__inner_third_box {
+    .content__inner_half_box {
         width: auto;
         margin: 0 1.5rem;
     }
 
-    .content__button {
-        width: auto;
-        margin: -0.5rem 0 0 auto;
-    }
-
-    .content__inner_third_heading {
-        margin-top: 1.5rem;
-    }
-
-    .content__inner_box.-card_box_head {
-        flex-direction: column-reverse;
-        margin-bottom: 0;
-    }
-
-    .flex_heading {
-        margin: 1.5rem 0 -1.5rem 1.5rem;
-    }
-
     .content__box.-card_box.-homepage {
         margin-top: 0;
         padding-top: 0;
@@ -2021,11 +1671,6 @@ footer {
     .pod_ctrl_box {
         margin-top: 1.5rem;
     }
-
-    .content__inner_aggregate_box {
-        margin: 1.5;
-        flex-grow: 1;
-    }
     /* content - end */
 
     /* footer - start */