diff --git a/component/viewer/src/main/res/layout/viewer_custom_tab.xml b/component/viewer/src/main/res/layout/viewer_custom_tab.xml
index 08eaacbe..afa650cc 100644
--- a/component/viewer/src/main/res/layout/viewer_custom_tab.xml
+++ b/component/viewer/src/main/res/layout/viewer_custom_tab.xml
@@ -3,20 +3,23 @@
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="wrap_content"
     android:layout_gravity="center_vertical"
-    android:layout_height="wrap_content">
+    android:layout_height="wrap_content"
+    android:layout_marginHorizontal="16dp">
 
     <TextView
         android:id="@+id/tab_title"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:text="TAB TITLE"
+        android:textSize="16sp"
         android:layout_gravity="center"/>
 
     <ImageButton
         android:id="@+id/tab_modify"
-        android:layout_marginLeft="8dp"
+        android:layout_marginStart="8dp"
         android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
+        android:layout_height="16dp"
         android:background="@android:color/transparent"
-        app:srcCompat="@drawable/description_24px" />
+        android:src="@drawable/more_vert_24px"
+        android:layout_gravity="center_vertical" />
 </LinearLayout>
\ No newline at end of file