Examine source code of Coffee Themed

{
  "name": "header no.2(1)",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "header no.3.png"
    },
    "colors": {
      "frame": "rgba(255, 235, 201, 1)",
      "tab_background_text": "rgba(176, 91, 59, 1)",
      "toolbar": "rgba(215, 151, 113, 1)",
      "bookmark_text": "rgba(176, 91, 59, 1)",
      "toolbar_field": "rgba(255, 235, 201, 1)",
      "toolbar_field_text": "rgba(176, 91, 59, 1)",
      "tab_line": "rgba(117, 52, 34, 1)"
    }
  }
}