Examine source code of Sibill

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#f5f5f5",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Sibill",
  "manifest_version": 2,
  "description": "Please try my other themes ;)\nMy bdst themes ; Don't touch my phone!\n                                Angry_Cat\n                                Cute000"
}