text/x-oeb1-css

text/x-oeb1-css

[1] Open Publication Structure (OPS) 2.0.1 v1.0 ( 版) <http://www.idpf.org/epub/20/spec/OPS_2.0_latest.htm#Section1.3.5>

The style sheet MIME type text/x-oeb1-css has been deprecated in favor of text/css.