diff --git a/static/css/theme.css b/static/css/theme.css
index 6cb5cf60c0..cf37788d14 100644
--- a/static/css/theme.css
+++ b/static/css/theme.css
@@ -1074,6 +1074,11 @@ option {
     margin-top: 1.7rem;
 }
 
+.mermaid svg {
+    /* remove inline height from generated diagram */
+    height: initial !important;
+}
+
 .include.hide-first-heading h1:first-of-type,
 .include.hide-first-heading h2:first-of-type,
 .include.hide-first-heading h3:first-of-type,