Would it be worth just breaking this line up a bit so that it is easier to read the nesting? I dislike making nitpick linting comments but I do believe that long HTML lines are partially to blame for bugs like this, because they make it harder to see when tags and template blocks like are not closed properly.

It also breaks the golden rule: lint unto thyself. Just kidding, I've broken this one up but as discussed we should consider picking a consistent way to format HTML and CSS over multiple lines.