diff --git a/src/contents/model.tsx b/src/contents/model.tsx
index 71740a18d3027e5c95ee6bd9699eb3824df95cb8..dd919c744d2d45ac2311e5f7aec8b10e38e4902f 100644
--- a/src/contents/model.tsx
+++ b/src/contents/model.tsx
@@ -119,7 +119,7 @@ export function Model() {
                 </h1>
             </div>
             <div className="row  bg-rice_yellow">
-                <div className="col-2">
+                <div className="col-2 model-nav">
                     <SideNavbar activeLink={activeLink} />
                 </div>