Examine source code of SpeakerCraft

{
  "theme": {
    "images": {
      "theme_frame": "header1.0.jpg"
    },
    "colors": {
      "frame": "#ed1717",
      "tab_background_text": "#f7f7f7"
    }
  },
  "version": "2.0",
  "name": "SpeakerCraft",
  "manifest_version": 2,
  "description": "speakercraft speaker logo vector vita"
}