Examine source code of Thm-001

{
  "name": "Thm-001",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "theme_tab_background.png"
    },
    "colors": {
      "frame": "rgba(110, 138, 131, 1)",
      "tab_background_text": "rgba(158, 25, 25, 1)",
      "toolbar": "rgba(255, 255, 255, 1)",
      "bookmark_text": "rgba(158, 25, 25, 1)",
      "toolbar_field": "rgba(210, 210, 210, 1)",
      "toolbar_field_text": "rgba(158, 25, 25, 1)",
      "tab_line": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{dce5b2ef-f1ee-4fa4-9d9a-2dec8985895a}"
    }
  }
}