.drawer.window-shadow {
  box-shadow: 0 4px 12px #777;
  border-radius: 0;
  position: fixed;
}
.drawer.layout-collapsed {
  box-shadow: none;
}
.drawer-mask.window-mask {
  position: fixed;
}
.drawer.layout-panel-east,
.drawer.layout-panel-west {
  bottom: 0;
}