Examine source code of Ultraviolet Embers theme

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Ultraviolet Embers",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-001-9c6d74e14860e77ee6f8f43e824bff25.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(35, 3, 100)",
      "toolbar_text": "rgb(68, 68, 194)",
      "frame": "rgb(54, 51, 59)",
      "tab_background_text": "rgb(251, 91, 48)",
      "toolbar_field": "rgb(42, 32, 105)",
      "toolbar_field_text": "rgb(251, 91, 48)",
      "tab_line": "rgb(45, 8, 135)",
      "popup": "rgb(70, 123, 228)",
      "popup_text": "rgb(46, 53, 153)",
      "popup_border": "rgb(70, 123, 228)",
      "tab_loading": "rgb(45, 8, 135)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{35f0f755-fd39-4649-9608-87b1369fd8b0}"
    }
  }
}