Examine source code of Lance in space

{
  "name": "Lance in space",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "lance01.jpg"
    },
    "colors": {
      "frame": "rgba(53, 28, 166, 0.78)",
      "tab_background_text": "rgba(87, 178, 242, 1)",
      "toolbar": "rgba(71, 60, 135, 1)",
      "bookmark_text": "rgba(158, 215, 255, 1)",
      "toolbar_field": "rgba(63, 101, 191, 1)",
      "toolbar_field_text": "rgba(158, 215, 255, 1)",
      "tab_line": "rgba(232, 210, 250, 1)"
    }
  }
}