diff --git a/static/css/theme.css b/static/css/theme.css
index 41754ba81a..a09ad4d095 100644
--- a/static/css/theme.css
+++ b/static/css/theme.css
@@ -608,6 +608,16 @@ div.attachments.neutral > div.label {
     margin-bottom: 0px;
     margin-top: 5px;
 }
+#body-inner ul.children-h2,
+#body-inner ul.children-h3,
+#body-inner ul.children-h4,
+#body-inner ul.children-h5,
+#body-inner ul.children-h6 {
+    /* if we display children with style=h2 but without a containerstyle
+    a ul will be used for structuring; we remove default indention for uls
+    in this case */
+    padding-inline-start: 0;
+}
 
 code, kbd, pre, samp {
     font-family: "Consolas", menlo, monospace;