Removed underline from header button style.

assets/css/style.css

@@ -387,6 +387,14 @@ header {
 .header__sub_claim a:hover {
     text-decoration: none;
 }
+
+.header__button_link {
+    text-decoration: none !important;
+}
+
+.header__button_link:hover {
+    text-decoration: underline !important;
+}
 /* header - Ende */
 
 /* main - Start */

templates/header.html

@@ -82,7 +82,7 @@
                 </div>
                 <!-- TODO: Zielseite für "MEMBER WERDEN"-Button -->
                 <button class="header__button sub_claim__button">
-                    <a href={{ '/mitglieder'|url }}>MEMBER WERDEN</a>
+                    <a class="header__button_link" href={{ '/mitglieder'|url }}>MEMBER WERDEN</a>
                 </button>
             </section>
         </div>