fix

__openerp__.py

@@ -9,6 +9,7 @@
     'depends': [
         'project',
         'web_kanban',
+        'web_widget_color',
     ],
     'data': [
         'views/menu.xml',

static/src/css/custom.css

@@ -1,12 +1,3 @@
-.hola .oe_kanban_groups_records{
-  background: #FF0000 !important;
-
-}
-
-.oe_kanban_column_cards{
-  margin-left: 6% !important;
-}
-
 .dropdown-menu{
   position:relative;
 }

static/src/js/project_kanban.js

@@ -78,6 +78,9 @@ openerp.custom_project = function(instance) {
       if (self.dataset.model == 'project.task') {
         this.hide_menu();
       }
+      if( self.dataset.model == 'project.project'){
+        self.$el.find('.oe_kanban_column_cards').css('margin-left', '6% !important');
+      }
     }
   });
   instance.web_kanban.KanbanView.include({
@@ -92,6 +95,7 @@ openerp.custom_project = function(instance) {
     //
     //   self._super.apply(self, arguments);
     //   if (self.dataset.model == 'project.project') {
+    //
     //     this.set_background();
     //   }
     // },

template.xml

@@ -5,7 +5,7 @@
               <xpath expr="." position="inside">
                   <link rel="stylesheet" href="/custom_project/static/src/css/custom.css"/>
 
-                  <script type="text/javascript" src="/custom_project/static/src/js/project_kanban.js"></script>
+                  <!-- <script type="text/javascript" src="/custom_project/static/src/js/project_kanban.js"></script> -->
               </xpath>
         </template>