diff --git a/chrome/content/zotero/preferences/preferences.xul b/chrome/content/zotero/preferences/preferences.xul
index 09452467ce..3ea24852a3 100644
--- a/chrome/content/zotero/preferences/preferences.xul
+++ b/chrome/content/zotero/preferences/preferences.xul
@@ -78,10 +78,11 @@ To add a new preference:
 						<hbox align="center">
 							<label value="&zotero.preferences.fontSize;" control="fontSize"/>
 						</hbox>
-						<radiogroup id="fontSize" orient="horizontal" preference="pref-fontSize">
+						<radiogroup id="fontSize" orient="horizontal" align="center" preference="pref-fontSize">
 							<radio id="fontSize1" label="&zotero.preferences.fontSize.small;" value="1.0"/>
-							<radio id="fontSize2" label="&zotero.preferences.fontSize.medium;" value="1.25"/>
-							<radio id="fontSize3" label="&zotero.preferences.fontSize.large;" value="1.5"/>
+							<radio id="fontSize2" label="&zotero.preferences.fontSize.medium;" value="1.15"/>
+							<radio id="fontSize3" label="&zotero.preferences.fontSize.large;" value="1.3"/>
+							<radio id="fontSize4" label="&zotero.preferences.fontSize.xlarge;" value="1.5"/>
 						</radiogroup>
 					</row>
 					
diff --git a/chrome/locale/en-US/zotero/preferences.dtd b/chrome/locale/en-US/zotero/preferences.dtd
index eb4e894b13..b8c78505d8 100644
--- a/chrome/locale/en-US/zotero/preferences.dtd
+++ b/chrome/locale/en-US/zotero/preferences.dtd
@@ -17,6 +17,7 @@
 <!ENTITY zotero.preferences.fontSize.small				"Small">
 <!ENTITY zotero.preferences.fontSize.medium				"Medium">
 <!ENTITY zotero.preferences.fontSize.large				"Large">
+<!ENTITY zotero.preferences.fontSize.xlarge			"X-Large">
 <!ENTITY zotero.preferences.fontSize.notes				"Note font size:">
 
 <!ENTITY zotero.preferences.miscellaneous				"Miscellaneous">
diff --git a/chrome/skin/default/zotero/preferences.css b/chrome/skin/default/zotero/preferences.css
index c1982e5e09..bc58f315f5 100644
--- a/chrome/skin/default/zotero/preferences.css
+++ b/chrome/skin/default/zotero/preferences.css
@@ -50,24 +50,31 @@ grid row hbox:first-child
 
 #fontSize2
 {
-	font-size: 1.25em;
+	font-size: 1.15em;
 }
 
 #fontSize3
+{
+	font-size: 1.3em;
+}
+
+#fontSize4
 {
 	font-size: 1.5em;
 }
 
-#fontSize radio, #statusBarIcon radio
+
+#showIn radio, #statusBarIcon radio
 {
-	width: 90px;
-}
-#showIn radio
-{
-	width: 135px;
+	width: 120px;
 }
 
-#fontSize radio .radio-icon, #statusBarIcon radio .radio-icon
+#fontSize radio
+{
+	margin-right: 20px;
+}
+
+#statusBarIcon radio .radio-icon
 {
 	margin-left: 6px;
 }