Examine source code of ciel - it is time

{
  "theme": {
    "images": {
      "theme_frame": "ciel-time-header.jpg"
    },
    "colors": {
      "frame": "#8c7556",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "ciel - it is time",
  "manifest_version": 2,
  "description": "ciel phantomhive from kuroshitsuji"
}