Examine source code of Multi-Colour

{
  "theme": {
    "images": {
      "theme_frame": "Persona1-multicolours.JPG"
    },
    "colors": {
      "frame": "#abe83a",
      "tab_background_text": "#96ed1d"
    }
  },
  "version": "2.0",
  "name": "Multi-Colour",
  "manifest_version": 2,
  "description": "footer made using MS paint, that is why the theme colours are simple. :L"
}