Here's the official wiki page for style hacks: https://github.com/piroor/treestyletab/wiki/Code-snippets-for-custom-style-rules#hide-horizontal-tabs-at-the-top-

Here's the official wiki page for style hacks: https://github.com/piroor/treestyletab/wiki/Code-snippets-for-custom-style-rules#hide-horizontal-tabs-at-the-top-of-the-window-1349-1672-2147 https://github.com/piroor/treestyletab/wiki/Code-snippets-fo... You can hide the tab bar, the sidebar header, and change a whole lot more things with custom styles.