Examine source code of galactic splat

{
  "name": "galactic splat",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "nebula.jpg"
    },
    "colors": {
      "frame": "rgba(55, 255, 0, 0)",
      "tab_background_text": "rgba(245, 123, 0, 0.59)",
      "toolbar": "rgba(62, 33, 128, 0)",
      "bookmark_text": "rgba(245, 123, 0, 0.59)",
      "toolbar_field": "rgba(0, 0, 0, 0)",
      "toolbar_field_text": "rgba(245, 123, 0, 0.59)",
      "tab_line": "rgba(242, 169, 0, 0)"
    }
  }
}