.GridItem,
.GridHeadItem {
  border-style: solid;
  border-width: thin;
  height: 150px;
  flex-basis: 100px;
  flex-grow: 1;
}

.GridHeadItem {
  height: 30px;
  text-align: center;
  line-height: 30px;
  padding: 10px 5px 10px 5px;
}

.GridRow,
.GridHead {
  display: flex;
}

.Grid {
  display: flex;
  flex-direction: column;
}