Examine source code of Ryugen Yomi Theme

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#6b0000",
      "tab_background_text": "#ff6161"
    }
  },
  "version": "2.0",
  "name": "Ryugen Yomi Theme",
  "manifest_version": 2,
  "description": "A fan-made theme of Kamen Rider Ryugen Yomotsuheguri Arms, his final form in the series."
}