Examine source code of Astronomic

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#020c65",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Astronomic",
  "manifest_version": 2,
  "description": "This theme is from a project titled \"Astronomic\" that I completed in university. I decided to make this into a Firefox theme so that I could match my browser with my desktop."
}