Bug 1271502 - list does not align well in private browsing new tab page with locale lang; r=Gijs

MozReview-Commit-ID: 669uE0FzUwx

--HG--
extra : transplant_source : %1E%0E%19%90%A3E%A8%90%D6R%F4%A5%16%C4X%CB%A8H%D1N

browser/themes/shared/privatebrowsing/aboutPrivateBrowsing.css

@@ -72,7 +72,8 @@ p {
 .list-row > ul > li {
   float: left;
   width: 220px;
-  margin-left: 1em;
+  line-height: 1.5em;
+  -moz-margin-start: 1em;
   margin-bottom: 0;
 }