Examine source code of RxUI

{
  "manifest_version": 2,
  "version": "2.0",
  "name": "RxUI",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(67, 67, 67)",
      "toolbar_text": "rgb(227, 227, 227)",
      "frame": "#232323",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(34, 34, 34)",
      "toolbar_field_text": "rgb(227, 227, 227)",
      "tab_line": "#434343",
      "popup": "rgb(67, 67, 67)",
      "popup_text": "rgb(227, 227, 227)",
      "button_background_active": "rgb(51, 51, 51)",
      "button_background_hover": "rgb(67, 67, 67)",
      "frame_inactive": "rgb(34, 34, 34)",
      "icons_attention": "rgb(213, 136, 241)",
      "icons": "rgb(227, 227, 227)",
      "ntp_background": "rgb(34, 34, 34)",
      "ntp_text": "rgb(138, 216, 145)",
      "popup_border": "rgb(67, 67, 67)",
      "popup_highlight": "rgb(34, 34, 34)",
      "sidebar_border": "rgb(34, 34, 34)",
      "sidebar_highlight": "rgb(17, 17, 17)",
      "sidebar_text": "rgb(227, 227, 227)",
      "sidebar": "rgb(34, 34, 34)",
      "tab_selected": "rgb(67, 67, 67)",
      "toolbar_bottom_separator": "rgb(67, 67, 67)",
      "toolbar_field_border_focus": "rgb(34, 34, 34)",
      "toolbar_field_border": "rgb(67, 67, 67)",
      "toolbar_field_focus": "rgb(51, 51, 51)",
      "toolbar_field_highlight": "rgb(34, 34, 34)",
      "toolbar_field_separator": "rgb(34, 34, 34)",
      "toolbar_field_text_focus": "rgb(227, 227, 227)",
      "toolbar_top_separator": "rgb(67, 67, 67)",
      "toolbar_vertical_separator": "rgb(67, 67, 67)",
      "tab_loading": "#e3e3e3"
    }
  }
}