CSS

CSS = '\n    ContextUsageScreen { align: center middle; }\n    ContextUsageScreen > VerticalScroll {\n        width: 94%; max-width: 120; height: auto; max-height: 90%;\n        background: $surface; border: solid $primary; padding: 1 2;\n    }\n    ContextUsageScreen _ContextUsage { height: auto; }\n    ContextUsageScreen .context-usage-help {\n        height: 1; color: $text-muted; margin-top: 2;\n    }\n    '