Examine source code of Botanical (Lighter)

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Botanical (Lighter)",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(111, 139, 47, 0.79)",
      "toolbar_text": "rgb(233, 220, 190)",
      "frame": "rgb(197, 140, 12)",
      "tab_background_text": "rgb(255, 249, 237)",
      "toolbar_field": "rgba(255, 176, 0, 0.59)",
      "toolbar_field_text": "rgb(48, 60, 37)",
      "tab_line": "rgb(251, 166, 0)",
      "popup": "rgb(233, 220, 190)",
      "popup_text": "rgb(48, 60, 37)",
      "button_background_hover": "rgba(255, 176, 0, 0.49)",
      "icons_attention": "rgb(255, 255, 255)",
      "icons": "rgb(255, 209, 121)",
      "popup_border": "rgb(255, 209, 121)",
      "popup_highlight": "rgb(251, 166, 0)",
      "sidebar_border": "rgb(255, 209, 121)",
      "sidebar_highlight_text": "rgb(0, 0, 0)",
      "sidebar_highlight": "rgba(111, 139, 47, 0.79)",
      "sidebar_text": "rgb(48, 60, 37)",
      "sidebar": "rgb(255, 176, 0)",
      "tab_selected": "rgba(235, 178, 50, 0.59)",
      "tab_text": "rgb(48, 60, 37)",
      "toolbar_bottom_separator": "rgb(197, 140, 12)",
      "toolbar_field_focus": "rgb(233, 220, 190)",
      "toolbar_field_highlight_text": "rgb(233, 220, 190)",
      "toolbar_field_highlight": "rgb(110, 134, 48)",
      "toolbar_field_separator": "rgba(255, 176, 0, 0.59)",
      "toolbar_top_separator": "rgb(233, 220, 190)",
      "toolbar_vertical_separator": "rgb(255, 209, 121)",
      "tab_loading": "rgb(251, 166, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{58633deb-902d-402f-aae1-81859b1f8f35}"
    }
  }
}