Examine source code of Mrkr Theme

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Mrkr Theme",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(56, 0, 142, 0.47)",
      "toolbar_text": "rgb(25, 12, 53)",
      "frame": "rgb(38, 26, 66)",
      "tab_background_text": "rgb(45, 3, 143)",
      "toolbar_field": "rgb(56, 41, 80)",
      "toolbar_field_text": "rgb(0, 227, 255)",
      "tab_line": "rgb(25, 12, 53)",
      "popup": "rgba(77, 61, 101, 0.47)",
      "popup_text": "rgb(0, 227, 255)",
      "icons_attention": "rgb(12, 93, 227)",
      "icons": "rgb(38, 26, 66)",
      "tab_loading": "rgb(0, 165, 255)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{8ac6d8ef-6130-4c8c-aa19-939591978a7f}"
    }
  }
}