diff --git a/BUGS.md b/BUGS.md
index e5f8a17..3a21391 100644
--- a/BUGS.md
+++ b/BUGS.md
@@ -52,6 +52,7 @@ sqlite3.ProgrammingError: SQLite objects created in a thread can only be used in
 
 # FIXED
 
+- caixas com os cursos não se ajustam bem com ecran estreito.
 - obter rankings por curso GET course=course_id
 - no curso de linear algebra, as perguntas estao shuffled, mas nao deviam estar... nao esta a obedecer a keyword shuffle.
 - menu nao mostra as opcoes correctamente
diff --git a/aprendizations/templates/courses.html b/aprendizations/templates/courses.html
index fc98f85..1e2c018 100644
--- a/aprendizations/templates/courses.html
+++ b/aprendizations/templates/courses.html
@@ -53,9 +53,9 @@
     <!-- ===== page ====================================================== -->
     <div class="container">
         <div id="notifications"></div>
-        <div class="row">
+        <div class="row justify-content-center">
                 {% for k,v in courses.items() %}
-            <div class="card-deck col-3">
+            <div class="card-deck col-md-4">
                 <a href="/course/{{k}}" class="card mb-3">
                     <!-- text-dark mb-3" style="width: 18rem;" -->
                     <div class="card-body">
--
libgit2 0.21.2