Examine source code of BioCrystal 2

{
  "theme": {
    "images": {
      "theme_frame": "biocrystal_1_header.jpg"
    },
    "colors": {
      "frame": "#331a42",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "BioCrystal 2",
  "manifest_version": 2,
  "description": "My second design... it's actually a flip of my first design (BioCrystal 1). It has a different effect"
}