Examine source code of Fall Dark Blue

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Fall Blue ",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right center"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(28, 35, 96, 0.6)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(101, 77, 65)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgba(208, 210, 225, 0.6)",
      "toolbar_field_text": "rgb(0, 0, 0)",
      "tab_line": "rgb(212, 209, 230)",
      "popup": "rgba(7, 6, 32, 0.5)",
      "popup_text": "rgb(255, 255, 255)",
      "ntp_background": "rgb(7, 6, 32)",
      "popup_border": "rgb(7, 6, 32)",
      "tab_selected": "rgba(7, 6, 32, 0.5)",
      "tab_text": "rgb(255, 255, 255)",
      "tab_loading": "rgb(212, 209, 230)"
    }
  }
}