Examine source code of LOK Leipzig 4

{
  "theme": {
    "images": {
      "theme_frame": "lok_ff_persona2_top_sm.png"
    },
    "colors": {
      "frame": "#ffff00",
      "tab_background_text": "#0000ff"
    }
  },
  "version": "2.0",
  "name": "LOK Leipzig 4",
  "manifest_version": 2,
  "description": "LOK persona in yellow background with blue text color"
}