[title-start]
[nav-start]
[footer-start]
[main-start]
[nav-end]
[aside-start]
[title-end]
[main-end]
[aside-end]
[footer-end]
[title-start]
[aside-start]
[nav-start]
[main-start]
[title-end]
[footer-start]
[nav-end]
[main-end]
[aside-end]
[footer-end]
grid-column:
main-start / aside-end;
grid-row:
title-start / nav-end;