--- a/mail/themes/gnomestripe/mail/messageHeader.css
+++ b/mail/themes/gnomestripe/mail/messageHeader.css
@@ -259,17 +259,17 @@ description[selectable="true"]:focus > d
   padding: 0;
 }
 
 .msgHeaderView-button {
   min-width: 1px !important;
   -moz-appearance: none;
   font-size: 95%;
   color: black;
-  -moz-margin-start 0px;
+  -moz-margin-start: 0px;
   -moz-margin-end: 5px;
   margin-top: 1px;
   margin-bottom: 2px;
   padding: 0 3px;
   background-color: rgb(211,215,207);
   border: 2px solid #C0C3C6;
   -moz-border-radius: 4px;
   -moz-border-top-colors: none;

--- a/mailnews/addrbook/resources/content/print.css
+++ b/mailnews/addrbook/resources/content/print.css
@@ -62,17 +62,17 @@ label {
 
 GeneratedName {
   display:block; 
   font-weight:bold; 
   font-family:verdana; 
   margin-top: 20px;
   margin-bottom: 3px;
   -moz-margin-end: 10px;
-  -moz-margin-start 10px;
+  -moz-margin-start: 10px;
 }
 
 FirstName, LastName, 
 HomeAddress, HomeAddress2, HomeCountry,
 WorkAddress, WorkAddress2, WorkCountry,
 JobTitle, Department, Company, Notes {
   display: block; 
   font-family: verdana; 
@@ -99,17 +99,17 @@ WebPage1, WebPage2 {
 }
 
 separator {
   display: block;
   border-bottom: 1px solid #000000;
   margin-top: 0px;
   margin-bottom: 0px;
   -moz-margin-end: 0px;
-  -moz-margin-start 10px;
+  -moz-margin-start: 10px;
 }
 
 table {
   display: table;
 }
 
 tr {
   display: table-row;