Examine source code of Focus — Deep Work Theme

{
  "manifest_version": 2,
  "name": "Focus — Deep Work Theme",
  "version": "1.0",
  "description": "A distraction-free dark Firefox theme built for deep work. Near-black surfaces, soft white text, and a single green accent. Nothing to look at — just your work.",
  "author": "Focus Theme",
  "icons": {
    "48": "icon-48.png",
    "96": "icon-96.png"
  },
  "theme": {
    "images": {
      "theme_frame": "theme_frame.png"
    },
    "colors": {
      "frame": [
        15,
        17,
        23
      ],
      "frame_inactive": [
        12,
        14,
        19
      ],
      "tab_background_text": [
        74,
        85,
        104
      ],
      "tab_selected": [
        15,
        17,
        23
      ],
      "tab_line": [
        74,
        222,
        128
      ],
      "tab_loading": [
        74,
        222,
        128
      ],
      "toolbar": [
        22,
        27,
        34
      ],
      "toolbar_text": [
        226,
        232,
        240
      ],
      "toolbar_field": [
        12,
        15,
        21
      ],
      "toolbar_field_text": [
        200,
        210,
        224
      ],
      "toolbar_field_border": [
        36,
        42,
        56
      ],
      "toolbar_field_focus": [
        10,
        13,
        19
      ],
      "toolbar_field_text_focus": [
        226,
        232,
        240
      ],
      "toolbar_field_border_focus": [
        74,
        222,
        128
      ],
      "toolbar_field_highlight": [
        52,
        160,
        90
      ],
      "toolbar_field_highlight_text": [
        255,
        255,
        255
      ],
      "toolbar_top_separator": [
        26,
        31,
        41
      ],
      "toolbar_bottom_separator": [
        24,
        29,
        39
      ],
      "toolbar_vertical_separator": [
        30,
        36,
        48
      ],
      "icons": [
        100,
        115,
        140
      ],
      "icons_attention": [
        74,
        222,
        128
      ],
      "button_background_hover": [
        24,
        29,
        39
      ],
      "button_background_active": [
        30,
        36,
        48
      ],
      "ntp_background": [
        15,
        17,
        23
      ],
      "ntp_text": [
        226,
        232,
        240
      ],
      "popup": [
        18,
        22,
        30
      ],
      "popup_border": [
        36,
        42,
        56
      ],
      "popup_text": [
        200,
        210,
        224
      ],
      "popup_highlight": [
        22,
        27,
        36
      ],
      "popup_highlight_text": [
        226,
        232,
        240
      ],
      "sidebar": [
        15,
        17,
        23
      ],
      "sidebar_border": [
        26,
        31,
        41
      ],
      "sidebar_text": [
        180,
        190,
        210
      ],
      "sidebar_highlight": [
        22,
        27,
        36
      ],
      "sidebar_highlight_text": [
        226,
        232,
        240
      ]
    },
    "properties": {
      "color_scheme": "dark",
      "content_color_scheme": "dark"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{17593890-81e3-413f-bb6b-3c7b1a257921}"
    }
  }
}