diff --git a/layouts/_default/_markup/render-passthrough.html b/layouts/_default/_markup/render-passthrough.html
new file mode 100644
index 0000000..b4021f9
--- /dev/null
+++ b/layouts/_default/_markup/render-passthrough.html
@@ -0,0 +1,6 @@
+{{ if eq .Type "block" }}
+  {{ $opts := dict "displayMode" true }}
+  <span class="katex-display">{{ transform.ToMath .Inner $opts }}</span>
+{{ else }}
+  {{ transform.ToMath .Inner }}
+{{ end }}