Examine source code of mark & derek

{
  "theme": {
    "images": {
      "theme_frame": "eric-dane-headshot.jpg"
    },
    "colors": {
      "frame": "#9e81a1",
      "tab_background_text": "#0f0808"
    }
  },
  "version": "2.0",
  "name": "mark & derek",
  "manifest_version": 2
}