Examine source code of sunburned

{
  "name": "sunburned",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "Untitled design(1).png"
    },
    "colors": {
      "frame": "rgba(42, 46, 45, 1)",
      "tab_background_text": "rgba(240, 240, 240, 1)",
      "bookmark_text": "rgba(240, 240, 240, 1)",
      "toolbar_field_text": "rgba(240, 240, 240, 1)",
      "tab_line": "rgba(240, 128, 128, 1)"
    }
  }
}