Add menu funtionality to right arrow

app/assets/stylesheets/backlogs/master_backlog.css.sass

@@ -80,26 +80,29 @@
     position: absolute
     top: 0
     right: 0
-    width: 29px
-    &.hover, &:hover
-      width: 30px
-      z-index: 1000
+    width: 30px
     .icon-context
       position: absolute
       top: 7px
-      left: 7px
+      left: 10px
+      &:before
+        content: "\e08a"
+      &.open
+        &:before
+          content: "\e089"
+        &+ .items
+          display: block
     .items
       display: none
-    &.hover .items, &:hover .items
       background-color: #EEEEEE
       border: 1px solid #E4E4E4
-      display: block
       position: absolute
       top: 30px
       left: 0
       list-style: none
       margin: 0
       padding: 0
+      z-index: 1000
     .item
       display: block
       width: 160px
@@ -144,10 +147,10 @@
           cursor: pointer
           &:before
             content: "\e00c"
-            margin-left: 7px
+            margin-left: 6px
           &.closed:before
             content: "\e00b"
-            margin-left: 7px
+            margin-left: 6px
           &:hover
             cursor: pointer
             background-color: #D8D8D8

app/helpers/rb_master_backlogs_helper.rb

@@ -39,7 +39,7 @@ module RbMasterBacklogsHelper
   def render_backlog_menu(backlog)
     content_tag(:div, class: 'menu') do
       [
-        content_tag(:div, '', class: "icon-context icon-small icon-arrow-down2 <%= ' closed' if folded %>"),
+        content_tag(:div, '', class: "icon-context icon-small", onClick: "if(this.classList.contains('open')) this.classList.remove('open'); else this.classList.add('open');"),
         content_tag(:ul, class: 'items') do
           backlog_menu_items_for(backlog).map { |item|
             content_tag(:li, item, class: 'item')