Examine source code of Crowley Gray Theme

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Crowley Gray Theme",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-011-d53e0d0d1538ed554a90e056a2f04eca.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(99, 120, 148)",
      "toolbar_text": "rgb(230, 230, 231)",
      "frame": "rgb(45, 55, 69)",
      "tab_background_text": "rgb(219, 232, 235)",
      "toolbar_field": "rgb(85, 101, 124)",
      "toolbar_field_text": "rgb(236, 236, 236)",
      "tab_line": "rgb(190, 0, 255)",
      "popup": "rgb(45, 55, 69)",
      "popup_text": "rgb(255, 255, 255)",
      "tab_loading": "rgb(190, 0, 255)"
    }
  }
}