Examine source code of human sadness

{
  "name": "human sadness",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "desktop-wallpaper-tumblr.png"
    },
    "colors": {
      "frame": "rgba(141, 171, 235, 1)",
      "tab_background_text": "rgba(64, 62, 96, 1)",
      "toolbar": "rgba(35, 33, 54, 1)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(64, 66, 91, 1)",
      "toolbar_field_text": "rgba(31, 29, 47, 1)"
    }
  }
}