Examine source code of Beach-bit

{
  "manifest_version": 2,
  "version": "1.2",
  "name": "Beach-bit",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top",
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat-x",
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(0, 162, 8, 0.78)",
      "toolbar_text": "rgb(0, 0, 0)",
      "frame": "rgb(255, 159, 0)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(0, 0, 0)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(255, 0, 5)",
      "popup": "rgba(0, 0, 0, 0.75)",
      "popup_text": "rgba(5, 221, 0, 0.69)",
      "button_background_active": "rgb(210, 0, 3)",
      "button_background_hover": "rgb(232, 0, 4)",
      "frame_inactive": "rgb(234, 0, 0)",
      "icons_attention": "rgba(0, 0, 0, 0.69)",
      "icons": "rgb(0, 0, 0)",
      "ntp_background": "rgb(255, 146, 0)",
      "ntp_text": "rgb(0, 255, 35)",
      "popup_border": "rgba(0, 226, 219, 0.69)",
      "popup_highlight_text": "rgba(255, 138, 0, 0.69)",
      "popup_highlight": "rgba(79, 79, 79, 0.69)",
      "sidebar_border": "rgba(0, 222, 216, 0.69)",
      "sidebar_highlight_text": "rgba(0, 208, 203, 0.84)",
      "sidebar_highlight": "rgba(121, 0, 193, 0.69)",
      "sidebar_text": "rgba(0, 230, 224, 0.84)",
      "sidebar": "rgb(82, 82, 82)",
      "tab_background_separator": "rgb(0, 0, 0)",
      "tab_loading": "rgb(0, 0, 0)",
      "tab_selected": "rgba(115, 0, 147, 0.5)",
      "tab_text": "rgb(0, 255, 240)",
      "toolbar_field_highlight": "rgb(174, 0, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{e8123092-8734-4672-95e8-9f8c64b73a5f}"
    }
  }
}