Examine source code of grayRammsteinLogo

{
  "theme": {
    "images": {
      "theme_frame": "rammstein_top_grad.jpg"
    },
    "colors": {
      "frame": "#c7c7c7",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "grayRammsteinLogo",
  "manifest_version": 2,
  "description": "just another Rammstein persona"
}