Examine source code of PaulJuliusLOGO_2020_white

{
  "name": "PaulJuliusLOGO_2020_white",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "PaulJuliusLOGO_2020_white.png"
    },
    "colors": {
      "frame": "rgba(69, 69, 69, 1)",
      "tab_background_text": "rgba(230, 230, 230, 1)",
      "toolbar": "rgba(222, 222, 222, 0.14)",
      "bookmark_text": "rgba(222, 222, 222, 1)",
      "toolbar_field": "rgba(135, 135, 135, 0.33)",
      "toolbar_field_text": "rgba(222, 222, 222, 1)"
    }
  }
}