Examine source code of marzu21

{
  "theme": {
    "images": {
      "theme_frame": "mec.jpg"
    },
    "colors": {
      "frame": "#0a074f",
      "tab_background_text": "#ad2828"
    }
  },
  "version": "2.0",
  "name": "marzu21",
  "manifest_version": 2,
  "description": "mec utfsm"
}