Examine source code of Teamsters1999

{
  "theme": {
    "images": {
      "theme_frame": "teamstersGris.jpg"
    },
    "colors": {
      "frame": "#cccccc",
      "tab_background_text": "#febe10"
    }
  },
  "version": "2.0",
  "name": "Teamsters1999",
  "manifest_version": 2,
  "description": "Pour tous les membres du local 1999"
}