Examine source code of House Heels

{
  "name": "House Heels",
  "manifest_version": 2,
  "version": "6.0",
  "theme": {
    "images": {
      "theme_frame": "239839742_237307311731975_2656332278818073427_n.png"
    },
    "colors": {
      "frame": "rgba(0, 0, 0, 1)",
      "tab_background_text": "rgba(38, 31, 31, 1)",
      "toolbar": "rgba(250, 240, 244, 1)",
      "bookmark_text": "rgba(122, 122, 122, 1)",
      "toolbar_field": "rgba(138, 127, 127, 1)",
      "toolbar_field_text": "rgba(230, 216, 216, 1)",
      "tab_line": "rgba(219, 206, 206, 1)"
    }
  }
}