diff --git a/packages/remark-drawio/src/components/DrawioViewer.module.scss b/packages/remark-drawio/src/components/DrawioViewer.module.scss
index 647779fe4e8..ccfcc7312f6 100644
--- a/packages/remark-drawio/src/components/DrawioViewer.module.scss
+++ b/packages/remark-drawio/src/components/DrawioViewer.module.scss
@@ -3,3 +3,7 @@
   border: 1px solid transparent;
   border-radius: 4px;
 }
+
+.drawio-viewer * {
+  box-sizing: content-box;
+}