<!DOCTYPE html>
<p>Text shadow should not affect layout. This obviously also applies inside multicol.</p>
<p>Below there should only be a blue square, and nothing else.</p>
<div style="-webkit-columns:4; -webkit-column-gap:0; width:8em; height:8em; line-height:2em; text-shadow:0.5em 0.5em 0 blue; color:blue; background:blue;">
F<br>
A<br>
I<br>
L<br>
F<br>
A<br>
I<br>
L<br>
F<br>
A<br>
I<br>
L<br>
F<br>
A<br>
I<br>
L<br>
</div>