diff --git a/guacamole/src/main/webapp/styles/keyboard.css b/guacamole/src/main/webapp/styles/keyboard.css
index aff864a25..709588292 100644
--- a/guacamole/src/main/webapp/styles/keyboard.css
+++ b/guacamole/src/main/webapp/styles/keyboard.css
@@ -63,7 +63,7 @@
     color: white;
     font-family: sans-serif;
     font-size: 50%;
-    text-shadow: 0 0.1em 0.1em black;
+    font-weight: lighter;
     text-align: center;
     white-space: pre;