--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cubicweb/web/data/cubicweb.html_tree.css	Sat Jan 16 13:48:51 2016 +0100
@@ -0,0 +1,91 @@
+table.tree {
+  border-collapse: collapse;
+}
+
+table.tree td {
+  padding: 0px;
+}
+
+div.tree_cell {
+  border: 1px solid black;
+  margin-top: 2px;
+  margin-bottom: 2px;
+  margin-left: 0px;
+  margin-right: 0px;  
+  padding-top: 2px;
+  padding-bottom: 2px;
+  padding-left: 5px;
+  padding-right: 5px;
+}
+
+div.selected {
+  border: 2px solid black;
+  background-color: #ccc;
+}
+
+table.tree td.tree_cell {
+  padding: 0px;
+}
+
+table.tree td.tree_cell_1_1,
+td.tree_cell_1_2 {
+  border-bottom: 1px solid black;
+}
+table.tree td.tree_cell_1_3 {
+  border-right: 1px solid black;
+}
+table.tree td.tree_cell_1_4 {
+  border: 0px;
+}
+
+
+table.tree td.tree_cell_2_1,
+td.tree_cell_2_3 {
+  border-right: 1px solid black;
+}
+table.tree td.tree_cell_2_2,
+td.tree_cell_2_4 {
+  border: 0px;
+}
+
+
+table.tree td.tree_cell_3_1,
+td.tree_cell_3_3 {
+  border-right: 1px solid black;
+}
+table.tree td.tree_cell_3_2 {
+  border-bottom: 1px solid black;
+}
+table.tree td.tree_cell_3_4 {
+  border: 0px;
+}
+
+
+table.tree td.tree_cell_4_1 {
+  border-right: 1px solid black;
+}
+table.tree td.tree_cell_4_2 {
+  border-bottom: 1px solid black;
+}
+table.tree td.tree_cell_4_3,
+td.tree_cell_4_4 {
+  border: 0px;
+}
+
+
+table.tree td.tree_cell_5_1,
+td.tree_cell_5_2 {
+  border-bottom: 1px solid black;
+}
+table.tree td.tree_cell_5_3,
+td.tree_cell_5_4 {
+  border: 0px;
+}
+
+
+table.tree td.tree_cell_0_1,
+td.tree_cell_0_2,
+td.tree_cell_0_3,
+td.tree_cell_0_4 {
+  border: 0px;
+}