Examine source code of easy eyes 2

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "easy eyes 2",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-029-cc9cab928c1799136d18758709e91ecc.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(135, 41, 200, 0.59)",
      "toolbar_text": "rgb(253, 253, 7)",
      "frame": "rgb(142, 179, 201)",
      "tab_background_text": "rgb(170, 255, 255)",
      "toolbar_field": "rgb(255, 238, 24)",
      "toolbar_field_text": "rgb(0, 0, 0)",
      "tab_line": "rgb(255, 255, 255)",
      "popup": "rgb(255, 255, 255)",
      "popup_text": "rgb(98, 102, 183)",
      "tab_loading": "rgb(255, 255, 255)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ab489366-6d34-4ed6-b59f-2b0b570e631e}"
    }
  }
}