Examine source code of Relaxing Beige

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Relaxing Beige",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-021-775b159da029a74f5c76e835cd65e9dc.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(213, 213, 202)",
      "toolbar_text": "rgb(5, 5, 5)",
      "frame": "rgb(110, 110, 93)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(255, 255, 255)",
      "toolbar_field_text": "rgb(6, 6, 6)",
      "tab_line": "rgb(255, 255, 255)",
      "popup": "rgb(255, 255, 255)",
      "popup_text": "rgb(6, 6, 8)",
      "ntp_text": "rgb(196, 104, 222)",
      "tab_loading": "rgb(255, 255, 255)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{7368f74e-a505-4b30-9e88-d97e98a0c638}"
    }
  }
}