I love vertical tabs. I used Tree Style Tab for years, then switched to Sidebery and recently to Firefox's native vertical tabs. I like them, but I was annoyed how pinned tabs looked. By default they are collapsed, side by side, with only their favicon visible: Luckily, there is a way to change that by adding some custom CSS. After applying it, my tabs looked like this: CSS # I couldn't find an existing snippet anywhere, and it took me some trial and error to get it right. Here is the CSS. I hope you find it useful. /* Show...