How to select a lot of topics fast?

It is hacky. I understand that I will have to fix this code each time you’ll change some HTML around. But I’ll have to deal with it sinse there’s few things that I don’t like about Discourse now, and there’s no other way to fix them. I will probably have to use JS to fix all of this:

https://meta.discourse.org/t/add-new-bbcode-button/25586
https://meta.discourse.org/t/breadcrumbs-with-dropdowns/25205
And maybe this: