diff --git a/module1/ressources/Makefile b/module1/ressources/Makefile
index 20cfeeec18ee586a8991a6fcd369d7591bf21f9a..41df172c004cbc20dd69b66a5c92a702cc29664a 100644
--- a/module1/ressources/Makefile
+++ b/module1/ressources/Makefile
@@ -5,8 +5,9 @@ NLINES=10000000
 
 %.html: %.org
 	emacs -batch $^  --funcall org-html-export-to-html
-	sed -i 's/<pre /<pre style="padding-left: 30px; background-color: #f6f8fa;" /g' $@
-	sed -i 's/<li>/<li style="margin-bottom:0;">/g' $@
+	sed -i -e 's/<pre /<pre style="padding-left: 30px; background-color: #f6f8fa;" /g' \
+	       -e 's/<li>/<li style="margin-bottom:0;">/g' \
+	       -e 's/<ul>/<ul style="margin:0 0;">/g' $@
 	mv $@ $@.bak
 	cat $@.bak | grep -A $(NLINES) -e '<body>' | grep -B $(NLINES) -e '<div id="postamble" class="status">' | grep -v -e '<body>' -e '<div id="postamble" class="status">' > $@
 	rm $@.bak
diff --git a/module2/ressources/Makefile b/module2/ressources/Makefile
index 0044ba9244d6f8b87214c5aaa5f954cb91af536f..94965fe4e268277c967b68419e8184a4e0975be5 100644
--- a/module2/ressources/Makefile
+++ b/module2/ressources/Makefile
@@ -4,8 +4,9 @@ NLINES=10000000
 
 %.html: %.org
 	emacs -batch $^  --funcall org-html-export-to-html
-	sed -i 's/<pre /<pre style="padding-left: 30px; background-color: #f6f8fa;" /g' $@
-	sed -i 's/<li>/<li style="margin-bottom:0;">/g' $@
+	sed -i -e 's/<pre /<pre style="padding-left: 30px; background-color: #f6f8fa;" /g' \
+	       -e 's/<li>/<li style="margin-bottom:0;">/g' \
+	       -e 's/<ul>/<ul style="margin:0 0;">/g' $@
 	mv $@ $@.bak
 	cat $@.bak | grep -A $(NLINES) -e '<body>' | grep -B $(NLINES) -e '<div id="postamble" class="status">' | grep -v -e '<body>' -e '<div id="postamble" class="status">' > $@
 	rm $@.bak
