monospace -> tabular-nums

Author: radian628

sigma.css

@@ -1396,9 +1396,8 @@ div#u-adult-warning > .error-block {
 
 /*
   Make the page edit lock timer monospaced so it does not shift page layout
-	as it counts down. The font-family property is set to 'monospace, monospace'
-	instead of 'monospace' because this makes it match the surrounding font size.
+	as it counts down.
 */
 #lock-timer {
-	font-family: monospace, monospace;
+	font-variant-numeric: tabular-nums;
 }