Examine source code of Vinyl Wave

{
  "theme": {
    "images": {
      "theme_frame": "VinylWave.png"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#7d7d7d"
    }
  },
  "version": "2.0",
  "name": "Vinyl Wave",
  "manifest_version": 2,
  "description": "Black background with sound wave bar with blue stroke across entire design.  Vinyl record on turntable in left corner. Clean yet makes a statement for that Vinyl enthusiast."
}