# Accessibility features for AWS CloudShell
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This topic describes how to use accessibility features for CloudShell. You can use a keyboard to navigate through the focusable elements on the page. You can also customize the appearance of CloudShell, including font sizes and interface themes.

## Keyboard navigation in CloudShell
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To navigate through the focusable elements on the page, press Tab.

## CloudShell terminal accessibility features
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You can use the Tab key in the following modes:
+ **Terminal mode (Default)** – In this mode, the terminal captures your Tab key entry. After the focus is on the terminal, press Tab to access only the functionality of the terminal.
+ **Navigation mode** – In this mode, the terminal doesn't capture your Tab key entry. Press Tab to navigate through the focusable elements on the page.

To switch between terminal mode and navigation mode, press Ctrl\+M. After you switch back, **Tab: navigation** appears in the header, and you can use the Tab key to navigate through the page.

To return to terminal mode, press Ctrl\+M. Or, choose X next to **Tab: navigation**.

**Note**  
Currently, CloudShell terminal accessibility features are not available on mobile devices.

## Choosing font sizes and interface themes in CloudShell
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You can customize the appearance of CloudShell to accommodate your visual preferences.
+ **Font size** – Choose from **Smallest**, **Small**, **Medium**, **Large**, and **Largest** font sizes in the terminal. For more information about changing the font size, see [Changing font size](customizing-cshell.md#font-size).
+ **Theme** – Choose between **Light** and **Dark** interface themes. For more information about changing the interface theme, see [Changing the interface theme](customizing-cshell.md#color-theme).