Examine source code of Material Deep Ocean Theme

{
  "name": "Material Deep Ocean Theme",
  "manifest_version": 2,
  "version": "3.0",
  "theme": {
    "images": {
      "theme_frame": "Empty.png"
    },
    "colors": {
      "frame": "rgba(15, 17, 26, 1)",
      "tab_background_text": "rgba(143, 147, 162, 1)",
      "toolbar": "rgba(9, 11, 16, 1)",
      "bookmark_text": "rgba(238, 255, 255, 1)",
      "toolbar_field": "rgba(15, 17, 26, 1)",
      "toolbar_field_text": "rgba(238, 255, 255, 1)",
      "tab_line": "rgba(9, 11, 16, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{541ed74f-2e4f-4e40-9b81-52d894f60fd1}"
    }
  }
}