diff --git a/.clever.json b/.clever.json
deleted file mode 100644
--- a/.clever.json
+++ /dev/null
@@ -1,11 +0,0 @@
-{
-  "apps": [
-    {
-      "app_id": "app_8e221eea-cd74-401f-a42b-26d7ebb641cb",
-      "org_id": "orga_d02d9099-9664-47fd-8029-d90e36628e1d",
-      "deploy_url": "https://push-n2-par-clevercloud-customers.services.clever-cloud.com/app_8e221eea-cd74-401f-a42b-26d7ebb641cb.git",
-      "name": "gitlab-classrooms",
-      "alias": "gitlab-classrooms"
-    }
-  ]
-}
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,27 @@
 # Changelog
 
+<a name="0.0.13"></a>
+## 0.0.13 (2023-09-14)
+
+### Changed
+
+- 💄 : replace warning icon with info icon [5265abb]
+- 💄 : add icons to good and bad answers [92ff945]
+- 💄 : use stronger colors to yield a better contrast [ef886a8]
+- ♻️ : update repository url [a130eaa]
+- 🍱 : add smaller logo sizes [abd9af5]
+
+### Miscellaneous
+
+- 🔀 : merge branch &#x27;feature/better-color-contrast-quiz-answers&#x27; into develop [086212f]
+- 🔀 : merge tag &#x27;0.0.12&#x27; into develop [ee3ec13]
+    * 🔀 : merge tag &#x27;0.0.11&#x27; into develop (50d7db6)
+    * 🔀 : merge tag &#x27;0.0.8&#x27; into develop (143e879)
+-  👷 : remove .clever.json file [e2ac737]
+- 🔀 : merge branch &#x27;main&#x27; into develop [ecb8b9c]
+    * 🔀 : merge branch &#x27;main&#x27; into develop (527aa45)
+
+
 <a name="0.0.12"></a>
 ## 0.0.12 (2023-09-13)
 
diff --git a/mkdocs.yml b/mkdocs.yml
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -4,7 +4,7 @@ docs_dir: src/main/docs
 exclude_docs: |
   decisions/
 
-repo_url: https://gitlab.univ-lille.fr/julien.wittouck/gitlab-classrooms
+repo_url: https://gitlab.univ-lille.fr/gitlab-classrooms/gitlab-classrooms
 
 theme:
   name: material
diff --git a/pom.xml b/pom.xml
--- a/pom.xml
+++ b/pom.xml
@@ -12,7 +12,7 @@ </parent>
 
     <groupId>fr.univ-lille</groupId>
     <artifactId>gitlab-classrooms</artifactId>
-    <version>0.0.12</version>
+    <version>0.0.13</version>
 
     <name>gitlab-classrooms</name>
     <description>GitLab Classroom is a modest clone of GitHub Classroom, aimed at GitLab.</description>
diff --git a/src/main/docs/logo-96.png b/src/main/docs/logo-96.png
new file mode 100644
--- /dev/null
+++ b/src/main/docs/logo-96.png
diff --git a/src/main/docs/logo-with-text-400.png b/src/main/docs/logo-with-text-400.png
new file mode 100644
--- /dev/null
+++ b/src/main/docs/logo-with-text-400.png
diff --git a/src/main/resources/templates/error/4xx.html b/src/main/resources/templates/error/4xx.html
--- a/src/main/resources/templates/error/4xx.html
+++ b/src/main/resources/templates/error/4xx.html
@@ -12,7 +12,7 @@ <path fill-rule="evenodd" d="M10 18a8 8 0 100-16 8 8 0 000 16zM8.28 7.22a.75.75 0 00-1.06 1.06L8.94 10l-1.72 1.72a.75.75 0 101.06 1.06L10 11.06l1.72 1.72a.75.75 0 101.06-1.06L11.06 10l1.72-1.72a.75.75 0 00-1.06-1.06L10 8.94 8.28 7.22z" clip-rule="evenodd" />
                 </svg>
             </div>
             <div class="ml-3">
-                <h3 class="text-sm font-medium text-red-800" th:text="${status}">Error code</h3>
+                <h3 class="text-sm font-medium text-red-900" th:text="${status}">Error code</h3>
                 <div class="mt-2 text-sm text-red-700" th:text="${message}">
                     Error message
                 </div>
diff --git a/src/main/resources/templates/error/5xx.html b/src/main/resources/templates/error/5xx.html
--- a/src/main/resources/templates/error/5xx.html
+++ b/src/main/resources/templates/error/5xx.html
@@ -12,7 +12,7 @@ <path fill-rule="evenodd" d="M10 18a8 8 0 100-16 8 8 0 000 16zM8.28 7.22a.75.75 0 00-1.06 1.06L8.94 10l-1.72 1.72a.75.75 0 101.06 1.06L10 11.06l1.72 1.72a.75.75 0 101.06-1.06L11.06 10l1.72-1.72a.75.75 0 00-1.06-1.06L10 8.94 8.28 7.22z" clip-rule="evenodd" />
                 </svg>
             </div>
             <div class="ml-3">
-                <h3 class="text-sm font-medium text-red-800" th:text="${status}">Error code</h3>
+                <h3 class="text-sm font-medium text-red-900" th:text="${status}">Error code</h3>
                 <div class="mt-2 text-sm text-red-700" th:text="${message}">
                     Error message
                 </div>
diff --git a/src/main/resources/templates/quiz/edit.html b/src/main/resources/templates/quiz/edit.html
--- a/src/main/resources/templates/quiz/edit.html
+++ b/src/main/resources/templates/quiz/edit.html
@@ -15,7 +15,7 @@ <path fill-rule="evenodd" d="M10 18a8 8 0 100-16 8 8 0 000 16zm3.857-9.809a.75.75 0 00-1.214-.882l-3.483 4.79-1.88-1.88a.75.75 0 10-1.06 1.061l2.5 2.5a.75.75 0 001.137-.089l4-5.5z" clip-rule="evenodd" />
                 </svg>
             </div>
             <div class="ml-3">
-                <h3 class="text-sm font-medium text-green-800" th:text="${successMessage}">Success Message</h3>
+                <h3 class="text-sm font-medium text-green-900" th:text="${successMessage}">Success Message</h3>
             </div>
         </div>
     </div>
diff --git a/src/main/resources/templates/quiz/results.html b/src/main/resources/templates/quiz/results.html
--- a/src/main/resources/templates/quiz/results.html
+++ b/src/main/resources/templates/quiz/results.html
@@ -21,25 +21,35 @@ class="text-3xl font-semibold leading-1 text-gray-900 mb-6">
     Quiz name
   </h1>
 
-  <div class="border-l-4 border-blue-400 bg-blue-50 p-4 mt-12">
+  <div class="border-l-4 border-blue-400 bg-blue-50 text-blue-700 p-4 mt-12">
     <div class="flex">
       <div class="flex-shrink-0">
-        <svg class="h-5 w-5 text-blue-400" viewBox="0 0 20 20" fill="currentColor" aria-hidden="true">
-          <path fill-rule="evenodd" d="M8.485 2.495c.673-1.167 2.357-1.167 3.03 0l6.28 10.875c.673 1.167-.17 2.625-1.516 2.625H3.72c-1.347 0-2.189-1.458-1.515-2.625L8.485 2.495zM10 5a.75.75 0 01.75.75v3.5a.75.75 0 01-1.5 0v-3.5A.75.75 0 0110 5zm0 9a1 1 0 100-2 1 1 0 000 2z" clip-rule="evenodd" />
+        <svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor" class="w-6 h-6">
+          <path stroke-linecap="round" stroke-linejoin="round" d="M11.25 11.25l.041-.02a.75.75 0 011.063.852l-.708 2.836a.75.75 0 001.063.853l.041-.021M21 12a9 9 0 11-18 0 9 9 0 0118 0zm-9-3.75h.008v.008H12V8.25z" />
         </svg>
       </div>
       <div class="ml-3">
-        <p class="text-sm text-blue-700">
+        <p class="text-sm">
           Vos réponses ont bien été enregistrées.
         </p>
-        <p class="text-sm text-blue-700">
+        <p class="text-sm">
           Vous avez obtenu un score de <span th:text="${quiz.score}">5</span> / <span th:text="${quiz.questions.size}">10</span>.
         </p>
-        <p class="text-sm text-blue-700">
+        <p class="text-sm inline-flex">
           Les questions auxquelles vous avez répondu correctement sont surlignées en
-          <span class="rounded-md bg-green-50 text-sm font-medium text-green-800">vert</span>,
+          <span class="rounded-md bg-green-50 text-sm font-medium text-green-900 inline-flex items-center ml-1">
+            <svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor" class="w-5 h-5 mr-1.5">
+              <path stroke-linecap="round" stroke-linejoin="round" d="M9 12.75L11.25 15 15 9.75M21 12a9 9 0 11-18 0 9 9 0 0118 0z" />
+            </svg>
+            vert
+          </span>,
           les autres en
-          <span class="rounded-md bg-red-50 text-sm font-medium text-red-800">rouge</span>.
+          <span class="rounded-md bg-red-50 text-sm font-medium text-red-900 inline-flex items-center ml-1">
+            <svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor" class="w-5 h-5 mr-1.5">
+              <path stroke-linecap="round" stroke-linejoin="round" d="M9.75 9.75l4.5 4.5m0-4.5l-4.5 4.5M21 12a9 9 0 11-18 0 9 9 0 0118 0z" />
+            </svg>
+            rouge
+          </span>.
         </p>
       </div>
     </div>
@@ -51,12 +61,18 @@ th:each="question : ${quiz.questions}">
     <fieldset >
 
       <!-- titre de la question -->
-      <legend class="rounded-md bg-green-50 p-4 text-sm font-medium text-green-800" th:if="${question.correct}" th:text="${question.text}">
-        Question text
+      <legend class="rounded-md bg-green-50 p-4 text-sm font-medium text-green-900 flex items-center" th:if="${question.correct}">
+        <svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor" class="w-6 h-6 mr-1.5">
+          <path stroke-linecap="round" stroke-linejoin="round" d="M9 12.75L11.25 15 15 9.75M21 12a9 9 0 11-18 0 9 9 0 0118 0z" />
+        </svg>
+        <span th:text="${question.text}">Question text</span>
       </legend>
 
-      <legend class="rounded-md bg-red-50 p-4 text-sm font-medium text-red-800" th:if="${!question.correct}" th:text="${question.text}">
-        Question text
+      <legend class="rounded-md bg-red-50 p-4 text-sm font-medium text-red-900 flex items-center" th:if="${!question.correct}">
+        <svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor" class="w-6 h-6 mr-1.5">
+          <path stroke-linecap="round" stroke-linejoin="round" d="M9.75 9.75l4.5 4.5m0-4.5l-4.5 4.5M21 12a9 9 0 11-18 0 9 9 0 0118 0z" />
+        </svg>
+        <span th:text="${question.text}">Question text</span>
       </legend>
 
       <div class="mt-6 space-y-6" th:if="${question.questionType.name() == 'SINGLE_CHOICE'}">