diff --git a/html/images/tanks.svg b/html/images/tanks.svg
index a6aaf50..5b18ac0 100644
--- a/html/images/tanks.svg
+++ b/html/images/tanks.svg
@@ -68,12 +68,12 @@
       <span id="fps" xmlns="http://www.w3.org/1999/xhtml">0</span> fps
     </div>
 
-    <button id="turn-left" xmlns="http://www.w3.org/1999/xhtml">Left</button>
-    <button id="move-backward" xmlns="http://www.w3.org/1999/xhtml">Up</button>
-    <button id="move-forward" xmlns="http://www.w3.org/1999/xhtml">Down</button>
-    <button id="turn-right" xmlns="http://www.w3.org/1999/xhtml">Right</button>
-    <button id="rotate-ccw" xmlns="http://www.w3.org/1999/xhtml">Rotate CCW</button>
-    <button id="rotate-cw" xmlns="http://www.w3.org/1999/xhtml">Rotate CW</button>
+    <button id="turn-left" xmlns="http://www.w3.org/1999/xhtml">🡐</button>
+    <button id="move-backward" xmlns="http://www.w3.org/1999/xhtml">🡑</button>
+    <button id="move-forward" xmlns="http://www.w3.org/1999/xhtml">🡓</button>
+    <button id="turn-right" xmlns="http://www.w3.org/1999/xhtml">🡒</button>
+    <button id="rotate-ccw" xmlns="http://www.w3.org/1999/xhtml">⟲</button>
+    <button id="rotate-cw" xmlns="http://www.w3.org/1999/xhtml">⟳</button>
   </foreignObject>
 
   <script type="text/javascript">//<![CDATA[