Show page titles on Firefox's pinned tabs

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 title */ #pinned-tabs-container[orient='vertical'] .tab-label-container { display: flex !important; margin-right: 1.5rem; } /* Change tabs layout to be stacked under each other */ #pinned-tabs-container[orient='vertical'] { --pinned-slot-display: block; } slot[part~='items-wrapper'] { display: var(--pinned-slot-display, flex) !important; } /* Remove extra vertical padding */ #pinned-tabs-container > .tabbrowser-tab { padding-block: 0 !important; } /* Move the green…