Examine source code of Float freely. .01

{
  "theme": {
    "images": {
      "theme_frame": "912-e-einkakyouthou4--7899.jpg"
    },
    "colors": {
      "frame": "#f2eded",
      "tab_background_text": "#010208"
    }
  },
  "version": "2.0",
  "name": "Float freely. .01",
  "manifest_version": 2,
  "description": "自由に浮かぶ。。01"
}