diff --git a/assets/stylesheets/redmine_kanban.css b/assets/stylesheets/redmine_kanban.css
index 07ac1f0..77ac9a1 100644
--- a/assets/stylesheets/redmine_kanban.css
+++ b/assets/stylesheets/redmine_kanban.css
@@ -287,7 +287,13 @@ div.calendar {
   border: none; }
 #kanban.kanban-overview h4.user-name {
   border: none; }
+#kanban.kanban-overview .kanban-headers {
+  border-bottom: 4px solid #000000; }
 #kanban.kanban-overview .horizontal-lane, #kanban.kanban-overview .horizontal-lane .pane, #kanban.kanban-overview .project-lane div.project {
   min-height: 60px; }
+#kanban.kanban-overview .project-lane div.project {
+  border-top-width: 0; }
 #kanban.kanban-overview div.clearing-row, #kanban.kanban-overview .clearing-row .pane {
   min-height: 1px; }
+#kanban.kanban-overview div.clearing-row .pane {
+  border-width: 4px 0 0 0; }
diff --git a/assets/stylesheets/redmine_kanban.scss b/assets/stylesheets/redmine_kanban.scss
index 90db827..894667c 100644
--- a/assets/stylesheets/redmine_kanban.scss
+++ b/assets/stylesheets/redmine_kanban.scss
@@ -245,6 +245,9 @@ div.calendar {z-index: 9999;}
 #kanban.kanban-overview {
    h2.project-name {border: none;}
    h4.user-name {border: none;}
+   .kanban-headers { border-bottom: 4px solid #000000; }
    .horizontal-lane, .horizontal-lane .pane, .project-lane div.project { min-height: 60px; }
+   .project-lane div.project { border-top-width: 0; }
    div.clearing-row, .clearing-row .pane {min-height: 1px;}
+   div.clearing-row .pane {border-width: 4px 0 0 0;}
 }