@wordpress/block-library/build-style/site-logo/style.css

Block library for the WordPress editor.

.wp-block-site-logo {
  box-sizing: border-box;
  line-height: 0;
}
.wp-block-site-logo a {
  display: inline-block;
  line-height: 0;
}
.wp-block-site-logo.is-default-size img {
  width: 120px;
  height: auto;
}
.wp-block-site-logo img {
  height: auto;
  max-width: 100%;
}
.wp-block-site-logo a,
.wp-block-site-logo img {
  border-radius: inherit;
}
.wp-block-site-logo.aligncenter {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

:root :where(.wp-block-site-logo.is-style-rounded) {
  border-radius: 9999px;
}