GitLab

Testing:
1. run two.html and check that yellow grid has height of 300px
2. modify two.html to have
#grid1 {
  background: lightgoldenrodyellow;
   min-height: 300px;
}
3. rerun and notice grid1 now has 380px actual height (passed last item) !
4. adding removing items will shrink grow, but not to the correct min 300px size.