diff --git a/packages/docusaurus-theme-classic/src/theme/DocPage/styles.module.css b/packages/docusaurus-theme-classic/src/theme/DocPage/styles.module.css
index ea8b1b596d..e821d16cc3 100644
--- a/packages/docusaurus-theme-classic/src/theme/DocPage/styles.module.css
+++ b/packages/docusaurus-theme-classic/src/theme/DocPage/styles.module.css
@@ -14,7 +14,7 @@
   box-sizing: border-box;
   width: 300px;
   position: relative;
-  top: calc(-1 * var(--ifm-navbar-height));
+  margin-top: calc(-1 * var(--ifm-navbar-height));
 }
 
 .docMainContainer {