# Border-title-background The `border-title-background` style sets the *background* color of the [border_title][textual.widget.Widget.border_title]. ## Syntax --8<-- "docs/snippets/syntax_block_start.md" border-title-background: (<color> | auto) [<percentage>]; --8<-- "docs/snippets/syntax_block_end.md" ## Example --8<-- "docs/snippets/border_title_color.md" ## CSS ```sass border-title-background: blue; ``` ## Python ```python widget.styles.border_title_background = "blue" ``` ## See also --8<-- "docs/snippets/see_also_border.md"