Examine source code of Peachy Graphite

{
  "manifest_version": 2,
  "name": "Peachy Graphite — Blender‑inspired",
  "version": "1.0",
  "description": "A dark, readable Firefox theme inspired by your Blender palette: graphite UI with peach accents.",
  "theme": {
    "colors": {
      "frame": "#1F242A",
      "frame_inactive": "#22282F",
      "tab_selected": "#2A3037",
      "tab_background_text": "#E6E6E6",
      "tab_text": "#E6E6E6",
      "tab_line": "#C68687",
      "toolbar": "#22282F",
      "toolbar_text": "#E6E6E6",
      "toolbar_field": "#1F242A",
      "toolbar_field_text": "#E6E6E6",
      "toolbar_field_border_focus": "#C68687",
      "toolbar_field_focus": "#2A3037",
      "icons": "#E6E6E6",
      "icons_attention": "#C68687",
      "button_background_hover": "#303640",
      "button_background_active": "#2A3037",
      "popup": "#2A3037",
      "popup_text": "#E6E6E6",
      "popup_border": "#3A4048",
      "popup_highlight": "#FF8E7E",
      "popup_highlight_text": "#ffffff",
      "sidebar": "#22282F",
      "sidebar_text": "#E6E6E6",
      "sidebar_highlight": "#2A3037",
      "sidebar_highlight_text": "#ffffff",
      "toolbar_top_separator": "#3A4048",
      "toolbar_bottom_separator": "#3A4048",
      "toolbar_vertical_separator": "#3A4048"
    },
    "images": {
      "theme_frame": "background.png",
      "additional_backgrounds": [
        "background.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat"
      ],
      "color_scheme": "dark"
    }
  },
  "applications": {
    "gecko": {
      "id": "peachy-graphite@local"
    }
  }
}