Examine source code of Sans Undertale Galaxy

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#67b0eb",
      "tab_background_text": "#e04ed4"
    }
  },
  "version": "2.0",
  "name": "Sans Undertale Galaxy",
  "manifest_version": 2,
  "description": "Undertale Sans Purple Galaxy theme. Art is not mine, Editing is."
}