The following response headers are set on this page.
Link: <common.css>;rel=stylesheet
Link: <print.css>;rel=stylesheet;media=print
Link: <light.css>;rel=stylesheet;title=Light mode
Link: <dark.css>;rel=alternate stylesheet;title=Dark mode
This browser supports loading CSS with HTTP headers.
When printing, the border becomes a double line. (border-style: double)
This browser does not support loading CSS with HTTP headers.