Examine source code of Wavy Pattern

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Wavy Pattern",
  "manifest_version": 2,
  "description": "This theme has a pattern of different shades of blue, in a triangle, or wavy way."
}