Examine source code of skz smile

{
  "name": "skz smile ",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "3racha chaan's  room episode 100.jpg"
    },
    "colors": {
      "frame": "rgba(117, 109, 84, 0.56)",
      "tab_background_text": "rgba(140, 131, 94, 0.48)",
      "toolbar": "rgba(96, 148, 80, 0.57)",
      "bookmark_text": "rgba(54, 209, 34, 1)",
      "toolbar_field": "rgba(103, 108, 171, 0.43)",
      "toolbar_field_text": "rgba(224, 152, 220, 0.9)",
      "tab_line": "rgba(255, 255, 255, 0)"
    }
  }
}