Examine source code of RED & HOT

{
  "name": "RED & HOT",
  "manifest_version": 2,
  "version": "4.0",
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "rgba(153, 5, 5, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(153, 6, 3, 0)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(153, 3, 3, 0.06)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(255, 210, 46, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{f26ca31b-0d73-428a-a4e9-47e9d1eaee61}"
    }
  }
}