fixed contribute character counter position (bug 562758)

media/css/impala/contributions.less

@@ -78,3 +78,8 @@
 .jqmOverlay {
     background-color: #000;
 }
+
+/** l10n: fix the overlapping "255" counter */
+.html-rtl #contribute-box .commentlen {
+    float: left;
+}