Examine source code of Pale Moon Space

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#242424",
      "tab_background_text": "#dbdbdb"
    }
  },
  "version": "2.0",
  "name": "Pale Moon Space",
  "manifest_version": 2,
  "description": "I lost a Pale Moon theme I was using a few years ago and decided to make a new theme for my browser using the pale moon and a space tile set I created from a 90's website.\nThis is for personal use, but I'm sharing it for anyone to use."
}