Resolve "Merge the best from 7.40 branch"

SabrehavenOTClient/data/styles/40-container.otui

@@ -0,0 +1,74 @@
+PageButton < Button
+  size: 30 18
+  margin: 1
+
+
+ContainerWindow < MiniWindow
+  height: 150
+  &save: true
+  &containerWindow: true
+
+  UIItem
+    id: containerItemWidget
+    virtual: true
+    size: 16 16
+    anchors.top: parent.top
+    anchors.left: parent.left
+    margin-top: 1
+    margin-left: 3
+
+  UIButton
+    id: upButton
+    anchors.top: lockButton.top
+    anchors.right: lockButton.left
+    margin-right: 3
+    size: 14 14
+    image-source: /images/ui/miniwindow_buttons
+    image-clip: 42 0 14 14
+
+    $hover:
+      image-clip: 42 14 14 14
+
+    $pressed:
+      image-clip: 42 28 14 14
+
+  Panel
+    id: pagePanel
+    anchors.left: parent.left
+    anchors.right: parent.right
+    anchors.top: miniwindowTopBar.bottom
+    margin: 1 3 0 3
+    background: #00000066
+    height: 20
+    
+    $on:
+      visible: true
+
+    $!on:
+      visible: false
+
+    Label
+      id: pageLabel
+      anchors.top: parent.top
+      anchors.horizontalCenter: parent.horizontalCenter
+      margin-top: 2
+      text-auto-resize: true
+
+    PageButton
+      id: prevPageButton
+      text: <
+      anchors.top: parent.top
+      anchors.left: parent.left
+
+    PageButton
+      id: nextPageButton
+      text: >
+      anchors.top: parent.top
+      anchors.right: parent.right
+
+  MiniWindowContents
+    padding-right: 0
+    layout:
+      type: grid
+      cell-size: 34 34
+      flow: true