Examine source code of vector hearts_05

{
  "theme": {
    "images": {
      "theme_frame": "vectorhearts_05alto.jpg"
    },
    "colors": {
      "frame": "#c9c9c9",
      "tab_background_text": "#33ffff"
    }
  },
  "version": "2.0",
  "name": "vector hearts_05",
  "manifest_version": 2,
  "description": "valentine,day,rainbow,colorful,black,fuchsia,pink,purple,violet,blue,green,\nyellow,orange,red,flowers,psychedelic,circle,candy,grunge"
}