whitespace cleanup

browser/themes/gnomestripe/browser/browser.css

@@ -683,15 +683,14 @@ toolbar[mode="full"] .toolbarbutton-1 > .toolbarbutton-menubutton-button {
 #zoom-out-button {
   list-style-image: url("moz-icon://stock/gtk-zoom-out?size=toolbar");
 }
+
 #zoom-in-button {
   list-style-image: url("moz-icon://stock/gtk-zoom-in?size=toolbar");
 }
 
-/* sync button */
- #sync-button {
+#sync-button {
   -moz-image-region: rect(0px 144px 24px 120px);
 }
-
 #sync-button[status="active"] {
   list-style-image: url("chrome://browser/skin/sync-24-throbber.png");
   -moz-image-region: rect(0px 24px 24px 0px);

browser/themes/pinstripe/browser/browser.css

@@ -700,7 +700,7 @@ toolbar[mode="icons"] #zoom-in-button {
 }
 
 /* sync button */
- 
+
 #sync-button {
   -moz-image-region: rect(0, 440px, 20px, 420px);
 }
@@ -709,7 +709,7 @@ toolbar[mode="icons"] #zoom-in-button {
   list-style-image: url("chrome://browser/skin/sync-throbber.png");
   -moz-image-region: rect(0, 20px, 20px, 0px);
 }
- 
+
 /* ----- FULLSCREEN WINDOW CONTROLS ----- */
 
 #minimize-button,

browser/themes/winstripe/browser/browser.css

@@ -912,8 +912,8 @@ toolbar:not([iconsize="small"])[mode="icons"] #forward-button:not([disabled="tru
   border-bottom-left-radius: 0;
 }
 
- /* sync button */
- 
+/* sync button */
+
 #sync-button {
   -moz-image-region: rect(0, 324px, 18px, 306px);
 }
@@ -922,7 +922,7 @@ toolbar:not([iconsize="small"])[mode="icons"] #forward-button:not([disabled="tru
   list-style-image: url("chrome://browser/skin/sync-throbber.png");
   -moz-image-region: rect(0, 18px, 18px, 0);
 }
- 
+
 /* ::::: fullscreen window controls ::::: */
 
 #minimize-button,