Index: skins/default/mail.css
===================================================================
--- skins/default/mail.css	(revision 5f129dd05313d2d697941bc2a0afbe44c9d3a138)
+++ skins/default/mail.css	(revision 891b3c13e0ce9e0c56fb47a555f19a7975311748)
@@ -687,5 +687,4 @@
 }
 
-#messagelist td span,
 #messagelist td img
 {
@@ -706,4 +705,5 @@
 #messagelist tr td.priority span
 {
+  display: block;
   width: 15px;
 }
@@ -721,4 +721,5 @@
 #messagelist tr td.priority span.prio5,
 #messagelist tr td.flag span.flagged,
+#messagelist tr td.flag span.unflagged,
 #messagelist tr td.flag span.unflagged:hover,
 #messagelist tr td.status span.status,
@@ -734,4 +735,5 @@
 #messagelist tr td.subject span.unreadchildren
 {
+  display: inline-block;
   vertical-align: middle;
   height: 17px;
@@ -813,4 +815,5 @@
 
 #messagelist tr td.status span.msgicon,
+#messagelist tr td.flag span.unflagged,
 #messagelist tr td.status span.unreadchildren
 {
@@ -862,5 +865,5 @@
 {
   cursor: default;
-  vertical-align: middle;
+  vertical-align: middle; /* #1487091 */
 }