Examine source code of Boi Theme vol. 2

{
  "name": "Boi Theme vol. 2",
  "manifest_version": 2,
  "version": "3.0",
  "theme": {
    "images": {
      "theme_frame": "ImageTheme.jpg"
    },
    "colors": {
      "toolbar": "rgba(56, 56, 56, 1)",
      "toolbar_field": "rgba(207, 207, 207, 1)",
      "toolbar_field_text": "rgba(36, 36, 36, 1)",
      "frame": "rgba(255, 255, 255, 1)",
      "tab_background_text": "rgba(54, 54, 54, 1)",
      "bookmark_text": "rgba(255, 255, 255, 1)"
    }
  }
}