diff --git a/.gitignore b/.gitignore
index 0a413d8..9e5f87e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -167,3 +167,4 @@ test/acceptanceTestSlides.html
 .DS_Store
 .envrc
 config/config.json
+tmp/
\ No newline at end of file
diff --git a/templates/html/index.html b/templates/html/index.html
index 597dde2..12249d3 100644
--- a/templates/html/index.html
+++ b/templates/html/index.html
@@ -79,17 +79,17 @@
       <h5>Gesamtkurse</h5>
       <p>Diese Kurse richten sich an alle, die noch kein Amateurfunkzeugnis haben.</p>
       <div class="row row-cols-lg-3 g-2">
-        <div class="col"><a href="N_course_index.html" class="btn btn-outline-dark w-100">N<br><small>Neueinsteiger</small></a></div>
-        <div class="col"><a href="NE_course_index.html" class="btn btn-outline-dark w-100">N + E<br><small>Erweitert</small></a></div>
-        <div class="col"><a href="NEA_course_index.html" class="btn btn-outline-dark w-100">N + E + A<br><small>Alles</small></a></div>
+        <div class="col"><a href="N_course_index.html" class="btn w-100 text-white" style="background-color: #47ABE8; border-color: #47ABE8;">N<br><small>Neueinsteiger</small></a></div>
+        <div class="col"><a href="NE_course_index.html" class="btn w-100 text-white" style="background-color: #FE756C; border-color: #FE756C;">N + E<br><small>Erweitert</small></a></div>
+        <div class="col"><a href="NEA_course_index.html" class="btn w-100 text-white" style="background-color: #3BB583; border-color: #3BB583;">N + E + A<br><small>Alles</small></a></div>
       </div>
       <br>
       <h5>Aufbaukurse</h5>
       <p>Für alle, die schon über ein Amateurfunkzeugnis der Klasse N oder E verfügen, gibt es folgende Aufbaukurse:</p>
       <div class="row row-cols-lg-3 g-2">
-        <div class="col"><a href="E_course_index.html" class="btn btn-outline-dark w-100">N -> E</a></div>
-        <div class="col"><a href="EA_course_index.html" class="btn btn-outline-dark w-100">N -> A</a></div>
-        <div class="col"><a href="A_course_index.html" class="btn btn-outline-dark w-100">E -> A</a></div>
+        <div class="col"><a href="E_course_index.html" class="btn w-100 text-white" style="background-color: #FE756C; border-color: #FE756C;">N -> E</a></div>
+        <div class="col"><a href="EA_course_index.html" class="btn w-100 text-white" style="background-color: #3BB583; border-color: #3BB583;">N -> A</a></div>
+        <div class="col"><a href="A_course_index.html" class="btn w-100 text-white" style="background-color: #3BB583; border-color: #3BB583;">E -> A</a></div>
       </div>
       <br>
       <h5>Fragestunden</h5>
diff --git a/templates/html/page.html b/templates/html/page.html
index 24cf4c0..d05dc54 100644
--- a/templates/html/page.html
+++ b/templates/html/page.html
@@ -134,7 +134,7 @@
                 <div class="d-flex flex-column align-items-center">
                   <div class="d-flex gap-1 align-items-center mb-1">
                     Mit
-                    <svg class="text-primary" xmlns="http://www.w3.org/2000/svg" width="1rem" height="1rem" fill="currentColor" viewBox="0 0 512 512"><path d="M47.6 300.4L228.3 469.1c7.5 7 17.4 10.9 27.7 10.9s20.2-3.9 27.7-10.9L464.4 300.4c30.4-28.3 47.6-68 47.6-109.5v-5.8c0-69.9-50.5-129.5-119.4-141C347 36.5 300.6 51.4 268 84L256 96 244 84c-32.6-32.6-79-47.5-124.6-39.9C50.5 55.6 0 115.2 0 185.1v5.8c0 41.5 17.2 81.2 47.6 109.5z"/></svg></span>
+                    <svg class="text-primary" xmlns="http://www.w3.org/2000/svg" width="1rem" height="1rem" fill="#FE756C" viewBox="0 0 512 512"><path d="M47.6 300.4L228.3 469.1c7.5 7 17.4 10.9 27.7 10.9s20.2-3.9 27.7-10.9L464.4 300.4c30.4-28.3 47.6-68 47.6-109.5v-5.8c0-69.9-50.5-129.5-119.4-141C347 36.5 300.6 51.4 268 84L256 96 244 84c-32.6-32.6-79-47.5-124.6-39.9C50.5 55.6 0 115.2 0 185.1v5.8c0 41.5 17.2 81.2 47.6 109.5z"/></svg></span>
                     vom <a class=link-secondary href="/infos.html#contributors">50ohm-Team</a> entwickelt
                   </div>
                   <div class="mb-1">Ein Angebot des Deutschen Amateur-Radio-Clubs e.&nbsp;V.</div>