Examine source code of St. Valentine

{
  "name": "valentine",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "valentine.jpg"
    },
    "colors": {
      "toolbar": "rgba(214, 55, 55, 0.11)",
      "toolbar_field": "rgba(255, 23, 23, 0)",
      "toolbar_field_text": "rgba(212, 210, 210, 1)",
      "frame": "rgba(23, 1, 1, 1)",
      "tab_background_text": "rgba(212, 210, 210, 1)",
      "bookmark_text": "rgba(212, 210, 210, 1)"
    }
  }
}