CSS

CSS = '\n    NotificationCenterScreen {\n        align: center middle;\n        background: transparent;\n    }\n\n    NotificationCenterScreen > Vertical {\n        width: 72;\n        max-width: 90%;\n        height: auto;\n        max-height: 80%;\n        background: $surface;\n        border: solid $primary;\n        padding: 1 2;\n    }\n\n    NotificationCenterScreen .nc-title {\n        text-style: bold;\n        color: $primary;\n        text-align: center;\n        margin-bottom: 1;\n    }\n\n    NotificationCenterScreen VerticalScroll {\n        height: auto;\n        max-height: 24;\n    }\n\n    NotificationCenterScreen .nc-row {\n        height: 1;\n        padding: 0 1;\n        color: $text;\n    }\n\n    NotificationCenterScreen .nc-row:hover {\n        background: $surface-lighten-1;\n    }\n\n    NotificationCenterScreen .nc-row.-selected {\n        background: $surface-lighten-1;\n    }\n\n    NotificationCenterScreen .nc-help {\n        height: 1;\n        color: $text-muted;\n        text-style: italic;\n        margin-top: 1;\n        text-align: center;\n    }\n    '