.bi-cargo-ship::before {
  content: "";
  display: inline-block;
  width: 1em;
  height: 1em;
  vertical-align: middle;
  /* Hier steuert die Textfarbe den Hintergrund */
  background-color: currentColor;
  /* Das SVG dient als Schablone (Maske) */
  -webkit-mask-image: url('/images/cargo-ship.svg');
  mask-image: url('/images/cargo-ship.svg');
  mask-size: contain;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
}