Examine source code of Mystic Intentions

{
  "theme": {
    "images": {
      "theme_frame": "m3-header.png"
    },
    "colors": {
      "frame": "#2c5bbf",
      "tab_background_text": "#0c5461"
    }
  },
  "version": "2.0",
  "name": "Mystic Intentions",
  "manifest_version": 2,
  "description": "Slick blue to black gradient. Same gradient used on M3's own website."
}