Examine source code of Violet Everywhere

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Violet Everywhere",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-036-40a272fe657f748396e017c7a64ee2dc.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(81, 33, 127)",
      "toolbar_text": "rgb(177, 160, 160)",
      "frame": "rgb(96, 7, 164)",
      "tab_background_text": "rgb(65, 68, 66)",
      "toolbar_field": "rgb(96, 120, 99)",
      "toolbar_field_text": "rgb(1, 1, 15)",
      "tab_line": "rgb(0, 255, 221)",
      "popup": "rgb(7, 7, 7)",
      "popup_text": "rgb(5, 128, 111)",
      "ntp_background": "rgb(69, 7, 96)",
      "tab_loading": "rgb(0, 255, 221)"
    }
  }
}