Examine source code of Blueprint

{
  "manifest_version": 2,
  "version": "2.6",
  "name": "Blueprint",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-005-f5f3cf677b1f132c75ddc7bd319dd1fc.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(12, 95, 174)",
      "toolbar_text": "rgb(240, 242, 246)",
      "frame": "rgb(47, 104, 174)",
      "tab_background_text": "rgb(230, 234, 241)",
      "toolbar_field": "rgb(11, 87, 160)",
      "toolbar_field_text": "rgb(230, 234, 241)",
      "tab_line": "rgb(250, 203, 58)",
      "popup": "rgb(25, 96, 165)",
      "popup_text": "rgb(240, 242, 246)",
      "popup_border": "rgb(250, 203, 58)",
      "ntp_background": "rgb(47, 111, 174)",
      "ntp_text": "rgb(255, 255, 255)",
      "tab_loading": "rgb(250, 203, 58)"
    }
  }
}