Authorization/assets/stylesheets/sass/gui/_progress_bar.scss

.progress-bar-primary {
	background-color: $color-primary;
}

.progress-bar.progress-without-number[aria-valuenow="1"],
.progress-bar.progress-without-number[aria-valuenow="2"] {
  min-width: 0;
}

.progress-bar.progress-bar-primary[aria-valuenow="0"] {
	background: transparent;
}