The Ultimate Vampire Resource and Directory

Cancer
06:45 Oct 30 2021

This is a security feature and it is related to the file's mime type.

If you try to upload *any* kind of file, and the mime type is "text/plain", the file is renamed with a .txt extension.

If you try to upload *any* kind of file, and the mime type is "text/css", the file is renamed with a .css extension.

As to custom profile code and embedding custom style sheets, it isn't really an issue. In the profile html code just change the .css extension to .txt.