#rootFine {
  z-index: 4;
}
#rootFine td {
  position: relative;
  width: 34%;
  height: 34%;
}
#rootCourseRow {
  z-index: 2;
}
#rootCourseRow td {
  position: relative;
  width: 100%;
  height: 34%;
}
#rootCourseColumn {
  z-index: 3;
}
#rootCourseColumn td {
  position: relative;
  width: 34%;
  height: 100%;
}
.rootGrid {
  position: fixed;
  table-layout: fixed;
  top: 0px;
  left: 0px;
  border-spacing: 0;
  border-collapse: collapse;
  width: 100%;
  height: 100%;
}
.rootGridWidget {
  position: absolute;
  top: 0px;
  left: 0px;
  border: none;
  width: 100%;
  height: 100%;
}