Board Thread:Support Requests - Getting Technical/@comment-24577221-20160401170432/@comment-168424-20160405002355

Do you have a specific infobox example? Most of the styling for the new portable infoboxes is done with sitewide CSS. The kind of infobox makes a huge difference in how you style it, so without you telling which specific infobox you'd like to style, it's all guess work.

Here are some good sources of info for portable infoboxes:
 * Help:PortableInfoboxes/CSS
 * Portable Infoboxes/Tips and tricks
 * A portable infobox theme inspired by My Singing Monsters