Examine source code of mokarram

{
  "name": "mokar",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "IMG_8044 (2).jpg"
    },
    "colors": {
      "frame": "rgba(232, 233, 235, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(102, 78, 78, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{f07d8562-afc7-4300-b4f3-555f329c9f20}"
    }
  }
}