Examine source code of Angry (Feet)

{
  "name": "Angry (Feet)",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "tm_header_v2.png"
    },
    "colors": {
      "frame": "rgba(0, 0, 0, 1)",
      "tab_background_text": "rgba(55, 22, 122, 1)",
      "toolbar": "rgba(140, 140, 140, 0.25)",
      "bookmark_text": "rgba(119, 51, 255, 1)",
      "toolbar_field": "rgba(173, 173, 173, 0.15)",
      "toolbar_field_text": "rgba(184, 162, 224, 1)"
    }
  }
}