diff --git a/mailnews/base/prefs/resources/content/custreceipt.html b/mailnews/base/prefs/resources/content/custreceipt.html
index 1c9c2dc24c89..ab3fef8892b6 100644
--- a/mailnews/base/prefs/resources/content/custreceipt.html
+++ b/mailnews/base/prefs/resources/content/custreceipt.html
@@ -32,7 +32,7 @@ background-color: grey
-
diff --git a/mailnews/base/prefs/resources/content/pref-diskspace.html b/mailnews/base/prefs/resources/content/pref-diskspace.html
index 68e16f54bd22..e0b962e6cbcc 100644
--- a/mailnews/base/prefs/resources/content/pref-diskspace.html
+++ b/mailnews/base/prefs/resources/content/pref-diskspace.html
@@ -32,7 +32,7 @@ background-color: grey
-
diff --git a/mailnews/base/prefs/resources/content/pref-identity.html b/mailnews/base/prefs/resources/content/pref-identity.html
index d4de1a7b8157..9004468533f4 100644
--- a/mailnews/base/prefs/resources/content/pref-identity.html
+++ b/mailnews/base/prefs/resources/content/pref-identity.html
@@ -32,7 +32,7 @@ background-color: grey
-
diff --git a/mailnews/base/prefs/resources/content/pref-mailnews.html b/mailnews/base/prefs/resources/content/pref-mailnews.html
index 89ba590b3b8b..9e1857953dcf 100644
--- a/mailnews/base/prefs/resources/content/pref-mailnews.html
+++ b/mailnews/base/prefs/resources/content/pref-mailnews.html
@@ -32,7 +32,7 @@ background-color: grey
-
diff --git a/mailnews/base/prefs/resources/content/pref-mailservers.html b/mailnews/base/prefs/resources/content/pref-mailservers.html
index 19b952927ea7..8e6afa97cc0b 100644
--- a/mailnews/base/prefs/resources/content/pref-mailservers.html
+++ b/mailnews/base/prefs/resources/content/pref-mailservers.html
@@ -32,7 +32,7 @@ background-color: grey
-
diff --git a/mailnews/base/prefs/resources/content/pref-newsservers.html b/mailnews/base/prefs/resources/content/pref-newsservers.html
index e25fc79f5f8d..22aadc4866eb 100644
--- a/mailnews/base/prefs/resources/content/pref-newsservers.html
+++ b/mailnews/base/prefs/resources/content/pref-newsservers.html
@@ -32,7 +32,7 @@ background-color: grey
-
diff --git a/mailnews/base/prefs/resources/content/pref-receipts.html b/mailnews/base/prefs/resources/content/pref-receipts.html
index e697250143c4..13dc027a440d 100644
--- a/mailnews/base/prefs/resources/content/pref-receipts.html
+++ b/mailnews/base/prefs/resources/content/pref-receipts.html
@@ -32,7 +32,7 @@ background-color: grey
-
diff --git a/mailnews/base/prefs/resources/content/pref-winsetting.html b/mailnews/base/prefs/resources/content/pref-winsetting.html
index ff4f5f90379c..16c5cf14a299 100644
--- a/mailnews/base/prefs/resources/content/pref-winsetting.html
+++ b/mailnews/base/prefs/resources/content/pref-winsetting.html
@@ -32,7 +32,7 @@ background-color: grey
-