Examine source code of SebaArt Mavis

{
  "theme": {
    "images": {
      "theme_frame": "header.jpg"
    },
    "colors": {
      "frame": "#666666",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "SebaArt Mavis",
  "manifest_version": 2,
  "description": "blue, light, classic, chrome, ie, internet explorer, opera, browser, design, brushed, firefox, blau, hellblau, mavi, acik"
}