# dsh-plugin-custom-css [English](README.md) | [Tiếng Việt](README.vi.md) Custom CSS injection for **DeepSeek Harness (DSH / DSH Desktop)**. It adds one row to the Settings modal — **Custom CSS** — which opens a page with: - an **on/off toggle** that enables or disables injection, and - a **CSS textarea** whose contents are injected into the Web GUI live, as you type. --- ## 1. What it does | Piece | Behavior | |---|---| | Settings entry | Registers a `settings.section` row (order `40`) labelled **Custom CSS** in the Settings modal nav rail. | | Toggle | Injects or stops injecting the snippet. Turning it off **keeps** the saved code. | | Textarea | Injected on every keystroke (debounced host write, `500 ms`). Flushed to the host on blur. | | Injection target | A single `