Minor font adjustments.

Clocker/Panel/UI/TimezoneCellView.swift

@@ -13,6 +13,9 @@ class TimezoneCellView: NSTableCellView {
     @IBOutlet var sunriseImage: NSImageView!
     @IBOutlet var currentLocationIndicator: NSImageView!
   
+  static private let minimumFontSizeForTime: Int = 11
+  static private let minimumFontSizeForLabel: Int = 10
+
     var rowNumber: NSInteger = -1
     var isPopoverDisplayed: Bool = false
 
@@ -134,8 +137,8 @@ class TimezoneCellView: NSTableCellView {
             return
         }
 
-        let newFontSize = CGFloat(11 + (userFontSize.intValue * 1))
+      let newFontSize = CGFloat(TimezoneCellView.minimumFontSizeForLabel + (userFontSize.intValue * 1))
-        let newTimeFontSize = CGFloat(12 + (userFontSize.intValue * 2))
+        let newTimeFontSize = CGFloat(TimezoneCellView.minimumFontSizeForTime + (userFontSize.intValue * 2))
 
         let fontManager = NSFontManager.shared