Examine source code of wide snep

{
  "name": "wide snep",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "concerningly wide snep.png"
    },
    "colors": {
      "frame": "rgba(8, 34, 97, 1)",
      "tab_background_text": "rgba(0, 247, 255, 1)",
      "toolbar": "rgba(4, 11, 51, 0.35)",
      "bookmark_text": "rgba(0, 255, 255, 1)",
      "toolbar_field": "rgba(0, 0, 0, 0.42)",
      "toolbar_field_text": "rgba(186, 254, 255, 0.66)",
      "tab_line": "rgba(0, 255, 255, 1)"
    }
  }
}