Examine source code of Nerv_Rebuild

{
  "theme": {
    "images": {
      "theme_frame": "NewNerv.png"
    },
    "colors": {
      "frame": "#8c0000",
      "tab_background_text": "#bac"
    }
  },
  "version": "2.0",
  "name": "Nerv_Rebuild",
  "manifest_version": 2,
  "description": "Nerv from Evangelion fits a little better."
}