Examine source code of HeartLine

{
  "theme": {
    "images": {
      "theme_frame": "HeartLine.jpg"
    },
    "colors": {
      "frame": "#fceded",
      "tab_background_text": "#0d0101"
    }
  },
  "version": "2.0",
  "name": "HeartLine",
  "manifest_version": 2,
  "description": "In order to create there must be a dynamic force, and what force is more potent than love? ~ Igor Stravinsky\n\nTAGS:\nHearts, Valentine's Day, Love, Weddings, Holidays, Winter, February"
}