scrollbar-size rule changes the size of the scrollbars. It takes 2 integers for horizontal and vertical scrollbar size respectively.
The scrollbar dimensions may also be set individually with
In this example we modify the size of the widget's scrollbar to be much larger than usual.
from textual.app import App from textual.containers import Vertical from textual.widgets import Static TEXT = """I must not fear. Fear is the mind-killer. Fear is the little-death that brings total obliteration. I will face my fear. I will permit it to pass over me and through me. And when it has gone past, I will turn the inner eye to see its path. Where the fear has gone there will be nothing. Only I will remain. """ class ScrollbarApp(App): def compose(self): yield Vertical(Static(TEXT * 5), classes="panel") app = ScrollbarApp(css_path="scrollbar_size.css")