Examine source code of shelfsmiley

{
  "theme": {
    "images": {
      "theme_frame": "shelfsmileytheme.jpg"
    },
    "colors": {
      "frame": "#6c0fcf",
      "tab_background_text": "#050505"
    }
  },
  "version": "2.0",
  "name": "shelfsmiley",
  "manifest_version": 2,
  "description": "smiley theme by shelfelf =D"
}