.str-chat {
  --str-chat__image-fallback-icon: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIGZpbGw9ImN1cnJlbnRDb2xvciIgY2xhc3M9InN0ci1jaGF0X19pbWFnZS1mYWxsYmFja19faWNvbiIgdmlld0JveD0iMCAwIDE4IDE4Ij48cGF0aCBkPSJNMTYgMnYxNEgyVjJoMTRabTAtMkgyQy45IDAgMCAuOSAwIDJ2MTRjMCAxLjEuOSAyIDIgMmgxNGMxLjEgMCAyLS45IDItMlYyYzAtMS4xLS45LTItMi0yWm0tNC44NiA4Ljg2LTMgMy44N0w2IDEwLjE0IDMgMTRoMTJsLTMuODYtNS4xNFoiLz48L3N2Zz4=");
}