message: Fix a resizing bug in the Splitter
diff: @@ -9,6 +9,8 @@ $divider-width: 4px;
  #ID_TOP {
  position: relative;
  + overflow: hidden;
  + contain: strict;
  height: 100%;
  }
  @@ -39,6 +41,7 @@ $divider-width: 4px;
  .CLASS_PANE {
  position: absolute;
  + overflow: hidden;
  #ID_TOP.CLASS_HORIZONTAL & {
  left: 0px;
  