mini@neil @firebrick I had a bit of a play, and you can minify this and turn it into a data uri to remove the external server dependency (and I hope mastodon doesn't eat this!)
css-url="data:text/css;base64,QG1lZGlhIChwcmVmZXJzLWNvbG9yLXNjaGVtZTpkYXJrKXtodG1se2ZpbHRlcjppbnZlcnQoMSkgaHVlLXJvdGF0ZSgxODBkZWcpfWh0bWwgaW1ne2ZpbHRlcjppbnZlcnQoMSkgaHVlLXJvdGF0ZSgxODBkZWcpfX0="
All GNU social JP content and data are available under the