Examine source code of Black Out eye

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#9e2323",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Black Out eye",
  "manifest_version": 2,
  "description": "This is blackout day theme and its my 1st theme if you like it then add to your firefox  and also send me tips for making good themes \n\nThank you\nAshish Chaturvedi"
}