diff --git a/addons/web_kanban/static/src/css/kanban.css b/addons/web_kanban/static/src/css/kanban.css
index f92203589b2..82143e460d1 100644
--- a/addons/web_kanban/static/src/css/kanban.css
+++ b/addons/web_kanban/static/src/css/kanban.css
@@ -98,6 +98,7 @@
     -moz-box-shadow: 2px 2px 5px #666;
     -webkit-box-shadow: 2px 2px 5px #666;
     box-shadow: 2px 2px 5px #666;
+    z-index: 2;
 }
 .oe_kanban_color_picker a {
     display: block;
@@ -123,6 +124,12 @@
 .openerp .oe_kanban_draghandle {
     cursor: move;
 }
+.openerp .oe_kanban_color_border {
+    border-color: #CCCCCC;
+}
+.openerp .oe_kanban_color_border {
+    border-color: #CCCCCC;
+}
 
 /* Custom colors are also present in kanban.js */
 /* Custom color#1 */