$\mathrm{\_}\_\mathrm{\_}$

The spacing after the blue squares and before the yellow squares should be the same as the above reference:

$\mathrm{\_}<!--\; empty\; -->\mathrm{\_}$

$\mathrm{\_}...\mathrm{\_}$

$\mathrm{\_}lim\mathrm{\_}$

$\mathrm{\_}max\mathrm{\_}$

$\mathrm{\_}min\mathrm{\_}$

$\mathrm{\_}|||\mathrm{\_}$