Examine source code of Watermelon aroma

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Watermelon",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-001-9c6d74e14860e77ee6f8f43e824bff25.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(199, 91, 117)",
      "toolbar_text": "rgb(13, 57, 33)",
      "frame": "rgb(46, 115, 77)",
      "tab_background_text": "rgb(255, 195, 209)",
      "toolbar_field": "rgba(43, 71, 55, 0.25)",
      "toolbar_field_text": "rgb(241, 227, 255)",
      "tab_line": "rgb(255, 195, 209)",
      "popup": "rgb(46, 115, 77)",
      "popup_text": "rgb(232, 140, 161)",
      "button_background_hover": "rgba(255, 195, 209, 0.25)",
      "ntp_background": "rgb(1, 7, 5)",
      "popup_border": "rgb(46, 115, 77)",
      "sidebar": "rgb(255, 195, 209)",
      "tab_selected": "rgb(232, 140, 161)",
      "tab_text": "rgb(46, 115, 77)",
      "toolbar_bottom_separator": "rgb(255, 195, 209)",
      "toolbar_field_border_focus": "rgb(255, 195, 209)",
      "toolbar_field_border": "rgb(255, 195, 209)",
      "toolbar_field_highlight_text": "rgb(255, 195, 209)",
      "toolbar_field_separator": "rgb(255, 195, 209)",
      "toolbar_field_text_focus": "rgb(255, 195, 209)",
      "toolbar_top_separator": "rgb(255, 195, 209)",
      "toolbar_vertical_separator": "rgb(255, 195, 209)",
      "tab_loading": "rgb(255, 195, 209)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{699502fe-4b7b-4699-94cf-35b285a138cd}"
    }
  }
}