Examine source code of Pumpkin Wash

{
  "theme": {
    "images": {
      "theme_frame": "pumpkin_wash_header.jpg"
    },
    "colors": {
      "frame": "#242424",
      "tab_background_text": "#260000"
    }
  },
  "version": "2.0",
  "name": "Pumpkin Wash",
  "manifest_version": 2,
  "description": "Orange Sherbet  and Pumpkin Ice cream lover's rejoice! It's an orange washed persona sure to make your mouth water. With a subtle gradient, and a light orange tint, this is designed to work well with any such tasty theme your computer may have."
}