Examine source code of gr A

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "gray",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgba(147, 147, 147, 0.67)",
      "toolbar_text": "rgba(8, 7, 3, 0.27)",
      "frame": "rgb(255, 255, 255)",
      "tab_background_text": "rgb(104, 91, 91)",
      "toolbar_field": "rgba(19, 17, 12, 0)",
      "toolbar_field_text": "rgb(238, 238, 238)",
      "tab_line": "rgba(74, 25, 25, 0.52)",
      "popup": "rgba(145, 143, 143, 0.81)",
      "popup_text": "rgb(255, 255, 255)",
      "button_background_active": "rgba(88, 78, 78, 0.33)",
      "frame_inactive": "rgba(0, 0, 0, 0.66)",
      "icons_attention": "rgba(0, 0, 0, 0.84)",
      "icons": "rgb(23, 14, 14)",
      "ntp_background": "rgb(255, 255, 255)",
      "ntp_text": "rgb(255, 255, 255)",
      "popup_border": "rgb(0, 0, 0)",
      "popup_highlight_text": "rgba(255, 4, 4, 0)",
      "tab_text": "rgb(255, 255, 255)",
      "tab_loading": "rgba(74, 25, 25, 0.52)"
    }
  }
}