Examine source code of 70s 1

{
  "name": "70s 1",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "harvest paisley.jpg"
    },
    "colors": {
      "toolbar_field": "rgba(228, 220, 196, 1)",
      "toolbar_field_text": "rgba(0, 84, 94, 1)",
      "frame": "rgba(220, 203, 127, 1)",
      "tab_background_text": "rgba(0, 84, 94, 1)",
      "bookmark_text": "rgba(154, 65, 59, 1)"
    }
  }
}