Examine source code of DemonSlayer-Kanae

{
  "name": "Demon Slayer",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "DemonSlayer.png"
    },
    "colors": {
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(15, 14, 14, 1)",
      "toolbar_field": "rgba(15, 12, 12, 1)",
      "toolbar_field_text": "rgba(242, 228, 228, 1)",
      "tab_line": "rgba(5, 170, 235, 1)"
    }
  }
}