Examine source code of Minimal Palenight

{
  "name": "Minimal Palenight",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Sin nombre.png"
    },
    "colors": {
      "frame": "rgba(41, 45, 62, 1)",
      "tab_background_text": "rgba(191, 199, 213, 1)",
      "toolbar": "rgba(41, 45, 62, 1)",
      "toolbar_field": "rgba(105, 112, 152, 1)",
      "toolbar_field_text": "rgba(41, 45, 62, 1)",
      "tab_line": "rgba(199, 146, 234, 1)"
    }
  }
}