Examine source code of Red Vintage

{
  "theme": {
    "images": {
      "theme_frame": "rvheader.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Red Vintage",
  "manifest_version": 2,
  "description": "A wallpaper I made awhile back. The red wallpaper source image was photographed at University Baptist Church in Waco, Texas. AKA the home church of David Crowder Band."
}