Examine source code of Rainbow Waves

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Rainbow Waves",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center bottom"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(25, 29, 51)",
      "toolbar_text": "rgb(67, 132, 218)",
      "frame": "rgb(15, 14, 65)",
      "tab_background_text": "rgb(67, 104, 218)",
      "toolbar_field": "rgb(38, 47, 102)",
      "toolbar_field_text": "rgba(104, 155, 241, 0.84)",
      "tab_line": "rgb(67, 112, 218)",
      "popup": "rgb(14, 22, 68)",
      "popup_text": "rgb(24, 83, 180)",
      "tab_loading": "rgb(67, 112, 218)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{5b3af5b5-986a-45d1-ba17-d7586fdc9912}"
    }
  }
}