Examine source code of heart glass cold

{
  "name": "heart glass cold",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "heart glass cold header.v4(2).png"
    },
    "colors": {
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(84, 74, 59, 1)",
      "toolbar": "rgba(76, 99, 69, 0.33)",
      "bookmark_text": "rgba(79, 69, 51, 1)",
      "toolbar_field": "rgba(98, 122, 88, 0.71)",
      "toolbar_field_text": "rgba(77, 74, 54, 1)"
    }
  }
}