Examine source code of mikasa SNK

{
  "name": "mikasa SNK",
  "manifest_version": 2,
  "version": "4.0",
  "theme": {
    "images": {
      "theme_frame": "mika.jpg"
    },
    "colors": {
      "frame": "rgba(204, 4, 4, 0)",
      "tab_background_text": "rgba(120, 6, 6, 1)",
      "toolbar": "rgba(13, 201, 0, 0)",
      "bookmark_text": "rgba(0, 0, 0, 1)",
      "toolbar_field": "rgba(71, 4, 4, 0)",
      "toolbar_field_text": "rgba(102, 2, 2, 1)"
    }
  }
}