Examine source code of ROBLOX Old Banner

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#000"
    }
  },
  "version": "2.0",
  "name": "ROBLOX Old Banner",
  "manifest_version": 2,
  "description": "This theme puts the old banner of ROBLOX at your top bar. Any old ROBLOX Player will remember this.\n\nI take no credit for the images in this theme. These images belong to ROBLOX and no copyright infringement is intended."
}