diff --git a/frontend/index.tsx b/frontend/index.tsx
index 0471fc2f..1376f89c 100644
--- a/frontend/index.tsx
+++ b/frontend/index.tsx
@@ -42,9 +42,11 @@ import fromEntries from 'object.fromentries';
 import {library} from '@fortawesome/fontawesome-svg-core';
 import {faBook} from '@fortawesome/free-solid-svg-icons/faBook';
 import {faCog} from '@fortawesome/free-solid-svg-icons/faCog';
+import {faComment} from '@fortawesome/free-solid-svg-icons/faComment';
 library.add(
     faBook,
     faCog,
+    faComment,
 );
 fromEntries.shim(); // will be a no-op if not needed
 
diff --git a/frontend/task/task.scss b/frontend/task/task.scss
index d32c3f26..49617b40 100644
--- a/frontend/task/task.scss
+++ b/frontend/task/task.scss
@@ -1112,6 +1112,15 @@ pre, #app .ace_editor, .stack-view, .subtitles-band-frame {
   }
 }
 
+.histoireCulture, .explanationBlock.culture {
+  border-color: #660;
+  background: #FFFFE4;
+
+  .instructions-icon {
+    color: #660;
+  }
+}
+
 .task-mission {
   .task-example-io-title {
     margin-top: 0.8rem;