webui: add small blue triangle as mark to filtered columns

diff --git a/src/webui/static/app/ext.css b/src/webui/static/app/ext.css
index a336275d639751e408c9c612e4199cfd31732a0e..27839edb5c14934e86206167838015d8c8859932 100644 (file)
--- a/src/webui/static/app/ext.css
+++ b/src/webui/static/app/ext.css
@@ -101,8 +101,10 @@
 }
 
 .ux-filtered-column {
-  font-style: italic !important;
-  font-weight: bold !important;
+    font-style: italic !important;
+    font-weight: bold !important;
+    background-image: url(../icons/linked.gif) !important;
+    background-repeat: no-repeat;
 }
 
 .x-view-drag-insert-above {