Examine source code of LukeEvans2019

{
  "name": "Luke Evans",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "rgba(70, 70, 71, 1)",
      "tab_background_text": "rgba(115, 93, 61, 1)",
      "bookmark_text": "rgba(48, 56, 82, 1)",
      "toolbar_field": "rgba(89, 76, 76, 0.3)",
      "toolbar_field_text": "rgba(97, 104, 133, 1)"
    }
  }
}