Have you ever heard of CSS counters? It’s a feature of CSS for numbering non-consecutive items, wherever they might be in the DOM. It doesn’t have a lot of uses cases but it’s important to understand this kind of new features to understand how powerful is CSS today.
Mobile connections aren’t as good as the usual desktop ones, therefore the download time of custom fonts can take up to several seconds. A good approach is to use the
@font-face rule only for certain range of media and screens using
@media queries. Unfortunately this approach doesn’t work for some browsers: all the versions of Internet Explorer and FireFox 10 and lower. This article discusses a solution for this problem that balances performances and hacks.