Examine source code of Silken

{
  "theme": {
    "images": {
      "theme_frame": "silken-header.jpg"
    },
    "colors": {
      "frame": "#990066",
      "tab_background_text": "#3dd61e"
    }
  },
  "version": "2.0",
  "name": "Silken",
  "manifest_version": 2,
  "description": "Classic Kimono motifs on silk, patterned in rich jewel colors."
}