Examine source code of Tech-Theme

{
  "name": "Tech-Theme",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "header-theme-dslregional.png"
    },
    "colors": {
      "frame": "rgba(250, 250, 250, 1)",
      "tab_background_text": "rgba(56, 56, 56, 1)",
      "bookmark_text": "rgba(74, 66, 66, 1)",
      "toolbar_field": "rgba(206, 223, 235, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{54710ed9-5cf0-4278-89f2-4633115b2fd0}"
    }
  }
}