.quarto-title-block .quarto-title-banner {
  background-image: url(logo.svg);
  background-size: 250px;
  background-repeat: no-repeat;
  background-origin: content-box; 
  background-position: 90% 50%
}

@media only screen and (max-width: 1000px) {
  .quarto-title-block .quarto-title-banner {
    background-image: none;
  }
}