Examine source code of Jivo - Gradient Focus

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Gradient Focus",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(227, 211, 242)",
      "toolbar_text": "rgb(0, 0, 0)",
      "frame": "rgb(255, 239, 231)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(255, 255, 255)",
      "toolbar_field_text": "rgb(79, 80, 100)",
      "tab_line": "rgb(255, 255, 255)",
      "popup": "rgb(241, 238, 248)",
      "popup_text": "rgb(0, 0, 0)",
      "button_background_hover": "rgb(241, 238, 248)",
      "ntp_background": "rgb(249, 242, 244)",
      "popup_border": "rgb(55, 45, 77)",
      "toolbar_bottom_separator": "rgb(150, 135, 165)",
      "toolbar_top_separator": "rgb(66, 50, 83)",
      "tab_loading": "rgb(255, 255, 255)"
    }
  }
}