Examine source code of Ankha

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Ankha",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right bottom"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(253, 253, 157)",
      "toolbar_text": "rgb(29, 114, 232)",
      "frame": "rgb(255, 255, 255)",
      "tab_background_text": "rgb(0, 0, 0)",
      "toolbar_field": "rgb(255, 255, 255)",
      "toolbar_field_text": "rgb(48, 67, 154)",
      "tab_line": "rgb(0, 93, 255)",
      "popup": "rgb(22, 100, 207)",
      "popup_text": "rgb(9, 50, 255)",
      "tab_selected": "rgb(251, 249, 175)",
      "tab_loading": "rgb(0, 93, 255)"
    }
  }
}