Examine source code of Valentine Foxes

{
  "name": "Valentine Foxes",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "FoxLove.jpg"
    },
    "colors": {
      "frame": "#ffdbbe",
      "tab_background_text": "#590000",
      "toolbar": "rgba(252, 130, 23, 0.1)",
      "toolbar_field": "rgba(0, 0, 0, 0)",
      "toolbar_field_text": "rgba(0, 0, 0, 1)"
    }
  }
}