Examine source code of Heatwave Colors

{
  "name": "Heatwave Colors",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Spray Art.png"
    },
    "colors": {
      "frame": "rgba(238, 255, 3, 1)",
      "tab_background_text": "rgba(230, 255, 0, 1)",
      "toolbar": "rgba(0, 0, 0, 0.26)",
      "bookmark_text": "rgba(255, 162, 0, 1)",
      "toolbar_field": "rgba(255, 129, 3, 0.46)",
      "toolbar_field_text": "rgba(247, 255, 0, 1)",
      "tab_line": "rgba(255, 0, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{2ec68d09-4a19-4f25-89a2-5a4e19f92104}"
    }
  }
}