nginx-proxy-manager/frontend/src/App.css

.modal-backdrop {
	--tblr-backdrop-opacity: 0.8 !important;
}

.domain-name {
	font-family: monospace;
}

.mr-1 {
	margin-right: 0.25rem;
}
.ml-1 {
	margin-left: 0.25rem;
}