### 背景样式
选择侧边栏容器的背景样式。颜色取自你所选的主题。
有两个选项—— **默认** 并在 **填充** ——每种选项都配有可视化示意，展示它们将如何改变你的目录。
### 列表样式
选择侧边栏列表及其选中项的样式。共有三个选项—— **默认**, **胶囊** 并在 **线条** ——每种选项都配有可视化示意，展示它们将如何改变你的目录。
---
# Agent Instructions: Querying This Documentation
If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.
Perform an HTTP GET request on the current page URL with the `ask` query parameter:
```
GET https://gitbook.com/docs/documentation/zh/docs-site/customization/icons-colors-and-themes.md?ask=
```
The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.
Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
