diff --git a/blocks/file-blocks/markdown-edit/style.css b/blocks/file-blocks/markdown-edit/style.css
index 014234e..857ab1e 100644
--- a/blocks/file-blocks/markdown-edit/style.css
+++ b/blocks/file-blocks/markdown-edit/style.css
@@ -101,6 +101,8 @@ pre,
   background: #f6f8fa;
   padding: 0.6em 1em !important;
   margin: -0.9em 0 !important;
+  font-family: ui-monospace, SFMono-Regular, SF Mono, Menlo, Consolas,
+    Liberation Mono, monospace;
 }
 .cm-line:not(.cm-code) + .cm-code {
   margin-top: 0 !important;