Examine source code of Ghost Love Score

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Ghost Love Score",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right center"
      ],
      "additional_backgrounds_tiling": [
        "repeat-y"
      ]
    },
    "colors": {
      "toolbar": "rgba(193, 198, 217, 0.25)",
      "toolbar_text": "rgba(255, 255, 255, 0.9)",
      "frame": "rgb(19, 24, 44)",
      "tab_background_text": "rgb(193, 198, 217)",
      "toolbar_field": "rgba(21, 23, 31, 0.68)",
      "toolbar_field_text": "rgba(255, 255, 255, 0.95)",
      "tab_line": "rgba(255, 255, 255, 0.4)",
      "popup": "rgba(21, 23, 31, 0.68)",
      "popup_text": "rgba(255, 255, 255, 0.9)",
      "ntp_background": "rgb(27, 29, 36)",
      "ntp_text": "rgba(255, 255, 255, 0.9)",
      "sidebar_border": "rgba(255, 255, 255, 0.4)",
      "sidebar_text": "rgba(255, 255, 255, 0.95)",
      "sidebar": "rgb(37, 40, 51)",
      "toolbar_field_highlight_text": "rgb(255, 255, 255)",
      "toolbar_field_highlight": "rgba(193, 198, 217, 0.4)",
      "tab_loading": "rgba(255, 255, 255, 0.4)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{86be894d-dca2-4d4b-b6ba-a3d5eb7c6075}"
    }
  }
}