Examine source code of TerraTex

{
  "theme": {
    "images": {
      "theme_frame": "TerraTexPersona.png"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#fa8108"
    }
  },
  "version": "2.0",
  "name": "TerraTex",
  "manifest_version": 2,
  "description": "simples TerraTex Persona"
}