#page {
  overflow: auto;
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
}
#pageInner {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 100%;
  overflow: hidden;
}
#mainContainer {
  position: absolute;
  top: @headerHeight;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: auto;
  zoom: 1;
}
#mainMask {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  top: 0;
  background-color: #fff;
  text-align: center;
  padding-top: 100px;
  z-index: 1000;
}

#notebookSplitter {
  left: @leftNotebookWidth;
}
#noteSplitter {
  left: @noteListWidth;
}