Examine source code of Jibaku Sounen Hanako-Kun

{
  "name": "Jibaku Sounen Hanako-kun",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Screenshot-2020-4-16  Jibaku Shounen Hanako-kun - - Capítulo 41 00 - Hanitarou Fansub - TuMangaOnline (3).png"
    },
    "colors": {
      "frame": "rgba(252, 0, 17, 1)",
      "tab_background_text": "rgba(250, 145, 145, 1)",
      "toolbar": "rgba(255, 255, 255, 1)",
      "bookmark_text": "rgba(173, 88, 88, 1)",
      "toolbar_field": "rgba(153, 250, 189, 1)",
      "toolbar_field_text": "rgba(229, 255, 125, 1)"
    }
  }
}