Examine source code of watain---

{
  "name": "watain-5077c5bea322f",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "wat2.png"
    },
    "colors": {
      "toolbar_field": "rgba(203, 203, 207, 1)",
      "toolbar_field_text": "rgba(232, 14, 14, 1)",
      "frame": "rgba(222, 222, 222, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)"
    }
  }
}