e>
.grid {
  position: relative;
  display: inline-grid;
  background: grey;
  text-orientation: sideways;
  font: 15px/1 Ahem;
}
.row { grid: minmax(0px, 1fr) / auto 50px 100px }
.column { grid: auto 50px 100px / minmax(0px, 1fr); }
.item1 {
   font-size: 30px;
   background: blue;
}
.item2 {
  font-size: 20px;
  background: red;
}
.item3 {
  font-size: 80px;
  background: green;
}
.height50 { height: 50px; }
.relativeHeight { height: 50%; }
.relativeWidth  { width: 50%; }
</style>
<script src="/resources/