diff --git a/guacamole/src/main/webapp/layouts/en-us-qwerty.xml b/guacamole/src/main/webapp/layouts/en-us-qwerty.xml
index 38162953e..8a029446f 100644
--- a/guacamole/src/main/webapp/layouts/en-us-qwerty.xml
+++ b/guacamole/src/main/webapp/layouts/en-us-qwerty.xml
@@ -408,15 +408,15 @@
         <row><gap size="0.1"/></row>
 
         <row>
-            <key size="1.6">
+            <key size="1.6" class="control">
                 <cap modifier="control" keysym="0xFFE3">Ctrl</cap>
             </key>
             <gap size="0.1"/>
-            <key size="1.6">
+            <key size="1.6" class="super">
                 <cap modifier="super" keysym="0xFFEB">Super</cap>
             </key>
             <gap size="0.1"/>
-            <key size="1.6">
+            <key size="1.6" class="alt">
                 <cap modifier="alt" keysym="0xFFE9">Alt</cap>
             </key>
             <gap size="0.1"/>
@@ -424,15 +424,15 @@
                 <cap> </cap>
             </key>
             <gap size="0.1"/>
-            <key size="1.6">
+            <key size="1.6" class="alt">
                 <cap modifier="alt" keysym="0xFFE3">Alt</cap>
             </key>
             <gap size="0.1"/>
-            <key size="1.6">
+            <key size="1.6" class="super">
                 <cap modifier="super" keysym="0xFF67">Menu</cap>
             </key>
             <gap size="0.1"/>
-            <key size="1.6">
+            <key size="1.6" class="control">
                 <cap modifier="control" keysym="0xFFE4">Ctrl</cap>
             </key>
         </row>