Examine source code of Sham

{
  "name": "Sham",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Sham.jpg"
    },
    "colors": {
      "frame": "rgba(3, 9, 23, 1)",
      "tab_background_text": "rgba(14, 196, 53, 1)",
      "toolbar": "rgba(150, 108, 108, 0.46)",
      "bookmark_text": "rgba(8, 161, 11, 1)",
      "toolbar_field": "rgba(234, 242, 238, 0.51)",
      "toolbar_field_text": "rgba(168, 240, 186, 0.81)"
    }
  }
}