Examine source code of Your Name (Animated)

{
  "name": "Your Name ",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "your_name-cropped.gif"
    },
    "colors": {
      "frame": "rgba(8, 11, 33, 1)",
      "tab_background_text": "rgba(215, 226, 239, 1)",
      "toolbar": "rgba(31, 34, 61, 0.45)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(18, 18, 45, 0.8)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(60, 170, 255, 1)"
    }
  }
}