Examine source code of e.custom1

{
  "theme": {
    "images": {
      "theme_frame": "Publication2.jpg"
    },
    "colors": {
      "frame": "#8c8585",
      "tab_background_text": "#030101"
    }
  },
  "version": "2.0",
  "name": "e.custom1",
  "manifest_version": 2
}