diff --git a/doc/local_ros_installation.md b/doc/local_ros_installation.md
index 855299fef65ab36555fb75b556f6856a14db751c..badc549c52a085535c1d15cbdd57eb1d80985829 100644
--- a/doc/local_ros_installation.md
+++ b/doc/local_ros_installation.md
@@ -12,7 +12,13 @@ See:
 - https://aiics.waraps.org/index.php/lrs-lrs_jupyter-md-single_agent_tst-md/
 for en overview of the available functionality.
 
-<div class="alert alert-dark" role="alert">
+div {
+    height: 150px;
+    width: 600px;
+    background-color: lavender;
+}
+
+<div>
   A simple dark alert—check it out!
 </div>