diff --git a/src/lib/output/themes/default/partials/header.tsx b/src/lib/output/themes/default/partials/header.tsx
index e95185d09..346bbefd5 100644
--- a/src/lib/output/themes/default/partials/header.tsx
+++ b/src/lib/output/themes/default/partials/header.tsx
@@ -1,7 +1,7 @@
 import type { Reflection } from "../../../../models";
 import { JSX } from "../../../../utils";
 import type { PageEvent } from "../../../events";
-import { hasTypeParameters, join } from "../../lib";
+import { hasTypeParameters, join, renderFlags } from "../../lib";
 import type { DefaultThemeRenderContext } from "../DefaultThemeRenderContext";
 
 export const header = (context: DefaultThemeRenderContext, props: PageEvent<Reflection>) => (
@@ -77,7 +77,8 @@ export const header = (context: DefaultThemeRenderContext, props: PageEvent<Refl
                             {join(", ", props.model.typeParameters, (item) => item.name)}
                             {">"}
                         </>
-                    )}
+                    )}{" "}
+                    {renderFlags(props.model.flags)}
                 </h1>
             </div>
         </div>
diff --git a/static/style.css b/static/style.css
index a16ed029e..6127b27cd 100644
--- a/static/style.css
+++ b/static/style.css
@@ -766,12 +766,13 @@ footer .tsd-legend {
 
 .tsd-flag {
     display: inline-block;
-    padding: 1px 5px;
+    padding: 0.25em 0.4em;
     border-radius: 4px;
     color: var(--color-comment-tag-text);
     background-color: var(--color-comment-tag);
     text-indent: 0;
-    font-size: 14px;
+    font-size: 75%;
+    line-height: 1;
     font-weight: normal;
 }