Examine source code of Orange and Blue Theme

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "orange and blue",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-030-0f935cfde055600d01a959c5c15353de.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(12, 21, 22)",
      "toolbar_text": "rgb(249, 187, 100)",
      "frame": "rgb(12, 21, 22)",
      "tab_background_text": "rgb(249, 187, 100)",
      "toolbar_field": "rgb(12, 21, 22)",
      "toolbar_field_text": "rgb(141, 209, 220)",
      "tab_line": "rgb(141, 209, 220)",
      "popup": "rgb(12, 21, 22)",
      "popup_text": "rgb(249, 187, 100)",
      "button_background_active": "rgb(141, 209, 220)",
      "icons_attention": "rgb(141, 209, 220)",
      "icons": "rgb(141, 209, 220)",
      "sidebar_border": "rgb(249, 187, 100)",
      "sidebar_highlight": "rgb(12, 21, 22)",
      "sidebar": "rgb(12, 21, 22)",
      "tab_loading": "rgb(141, 209, 220)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{88937306-17f2-4e97-8965-9bbf9a50cb04}"
    }
  }
}