Examine source code of Gray Static

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#303034",
      "tab_background_text": "#fafafa"
    }
  },
  "version": "2.0",
  "name": "Gray Static",
  "manifest_version": 2,
  "description": "A simple theme of dark gray static/noise to give texture without feeling ostentatious."
}