Examine source code of Pastel Watermelons

{
  "manifest_version": 2,
  "version": "1.0.1",
  "name": "Watermelon",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(231, 241, 223, 0.6)",
      "toolbar_text": "rgb(100, 103, 103)",
      "frame": "rgb(224, 241, 230)",
      "tab_background_text": "rgb(102, 108, 104)",
      "toolbar_field": "rgb(255, 194, 194)",
      "toolbar_field_text": "rgb(70, 70, 70)",
      "tab_line": "rgba(231, 241, 223, 0)",
      "popup": "rgb(255, 255, 255)",
      "popup_text": "rgb(102, 108, 104)",
      "frame_inactive": "rgba(231, 241, 223, 0.6)",
      "icons": "rgba(91, 119, 93, 0.62)",
      "popup_border": "rgba(231, 241, 223, 0.6)",
      "tab_background_separator": "rgba(255, 255, 255, 0)",
      "toolbar_bottom_separator": "rgba(231, 241, 223, 0.6)",
      "toolbar_field_border_focus": "rgba(231, 241, 223, 0.6)",
      "toolbar_field_border": "rgba(231, 241, 223, 0.6)",
      "toolbar_field_focus": "rgba(231, 241, 223, 0)",
      "toolbar_field_highlight_text": "rgb(135, 135, 135)",
      "toolbar_field_highlight": "rgb(215, 244, 242)",
      "toolbar_field_separator": "rgba(231, 241, 223, 0.6)",
      "toolbar_top_separator": "rgba(231, 241, 223, 0)",
      "tab_loading": "rgba(231, 241, 223, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{371166a5-1eee-4d51-9b38-623f21d1ef17}"
    }
  }
}