Examine source code of Dirt

{
  "name": "Dirt",
  "manifest_version": 2,
  "version": "4.0",
  "theme": {
    "images": {
      "theme_frame": "ssss.png"
    },
    "colors": {
      "frame": "rgba(158, 173, 97, 0)",
      "tab_background_text": "rgba(159, 173, 98, 1)",
      "toolbar": "rgba(140, 129, 73, 0.25)",
      "bookmark_text": "rgba(159, 173, 98, 1)",
      "toolbar_field": "rgba(97, 99, 52, 0)",
      "toolbar_field_text": "rgba(159, 173, 98, 1)"
    }
  }
}