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Styles
Textual provides a large number of styles you can use to customize how your app looks and feels. In this chapter will will look at how you can edit styles in your applications.
Styles object
Every widget class in Textual provides a styles object which contains a number of writable attributes. You can write to any of these attributes and Textual will update the screen accordingly.
Let's look at a simple example which sets the styles on the screen (a special widget that represents the screen).
--8<-- "docs/examples/guide/styles/screen.py"
The first line sets background to "darkblue" which will change the background color to dark blue. There are a few other ways of setting color which we will explore later.
The second line sets border to a tuple of ("heavy", "white") which tells Textual to draw a white border with a style of "heavy". Running this code will show the following:
Colors
The color property set the color of text on a widget. The background property sets the color of the background (under the text).
Box Model
TODO: Styles docs
- What are styles
- Styles object on widgets / app
- Setting styles via CSS
- Box model
- Color / Background
- Borders / Outline