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The scrollbar-corner-color style sets the color of the gap between the horizontal and vertical scrollbars.


scrollbar-corner-color accepts a <color> (with an optional opacity level defined by a <percentage>) that is used to define the color of the gap between the horizontal and vertical scrollbars of a widget.


The example below sets the scrollbar corner (bottom-right corner of the screen) to white.

ScrollbarCornerColorApp I must not fear. Fear is the mind-killer. Fear is the little-death that brings I must not fear. Fear is the mind-killer. Fear is the little-death that brings total obliteration.

from import App
from textual.widgets import Label

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 ScrollbarCornerColorApp(App):
    CSS_PATH = "scrollbar_corner_color.tcss"

    def compose(self):
        yield Label(TEXT.replace("\n", " ") + "\n" + TEXT * 10)

if __name__ == "__main__":
    app = ScrollbarCornerColorApp()
Screen {
    overflow: auto auto;
    scrollbar-corner-color: white;


scrollbar-corner-color: white;


widget.styles.scrollbar_corner_color = "white"

See also