Examine source code of Nanashi0124

{
  "name": "Nanashi0124",
  "manifest_version": 2,
  "version": "8.0",
  "theme": {
    "images": {
      "theme_frame": "theme.png"
    },
    "colors": {
      "frame": "rgba(47, 189, 99, 0)",
      "tab_background_text": "rgba(140, 189, 147, 1)",
      "toolbar": "rgba(0, 0, 0, 0)",
      "bookmark_text": "rgba(140, 189, 147, 1)",
      "toolbar_field": "rgba(150, 168, 152, 0.35)",
      "toolbar_field_text": "rgba(11, 66, 19, 1)"
    }
  }
}