diff --git a/server/plugin/plg_application_docxjs/loader_docx.css b/server/plugin/plg_application_docxjs/loader_docx.css
index 7cf990ce..8dfc95a2 100644
--- a/server/plugin/plg_application_docxjs/loader_docx.css
+++ b/server/plugin/plg_application_docxjs/loader_docx.css
@@ -3,7 +3,7 @@
 }
 
 .component_docx .docx-wrapper {
-    background: #f5f5f5;
+    background: var(--surface);
 }
 .component_docx .docx-wrapper > section.docx {
     box-shadow: 0 0 3px rgba(0, 0, 0, 0.1);