Examine source code of blue and red theme

{
  "name": "blue and red theme",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "Untitled(4).jpg"
    },
    "colors": {
      "frame": "rgba(255, 0, 43, 1)",
      "tab_background_text": "rgba(0, 136, 255, 1)",
      "toolbar": "rgba(0, 187, 255, 1)",
      "bookmark_text": "rgba(255, 0, 0, 1)",
      "toolbar_field": "rgba(255, 255, 255, 1)",
      "toolbar_field_text": "rgba(255, 0, 0, 1)",
      "tab_line": "rgba(8, 210, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{37509c35-39f2-4b01-a95b-033d3cc4a02b}"
    }
  }
}