diff --git a/web/chat/thread-menu.react.js b/web/chat/thread-menu.react.js
--- a/web/chat/thread-menu.react.js
+++ b/web/chat/thread-menu.react.js
@@ -184,12 +184,12 @@
   }
 
   return (
-    <div>
+    <>
       <button className={css.topBarMenuButton} onClick={switchMenuCallback}>
-        <SWMansionIcon icon="menu-vertical" size={20} />
+        <SWMansionIcon icon="menu-vertical" size={24} />
       </button>
       {menuActionList}
-    </div>
+    </>
   );
 }
 
diff --git a/web/style.css b/web/style.css
--- a/web/style.css
+++ b/web/style.css
@@ -46,6 +46,9 @@
   border: 0;
   padding: 0;
 }
+button svg {
+  vertical-align: top;
+}
 :global(#react-root) {
   display: flex;
   flex-direction: column;