Examine source code of Enjoy Life

{
  "name": "Enjoy Life",
  "manifest_version": 2,
  "version": "4.0",
  "theme": {
    "images": {
      "theme_frame": "EnjoyLifeH3.jpg"
    },
    "colors": {
      "frame": "rgba(180, 237, 234, 1)",
      "tab_background_text": "rgba(8, 8, 8, 1)",
      "toolbar": "rgba(0, 0, 0, 0)",
      "bookmark_text": "rgba(0, 0, 0, 1)",
      "toolbar_field": "rgba(178, 237, 234, 0.09)",
      "toolbar_field_text": "rgba(0, 0, 0, 1)"
    }
  }
}