It’s rather impossible to remember all the APIs by hearert. This is when cheatsheets jump in! Here are the best front-end cheatsheets I’ve gathered.

In order to use flexbox, you must create a flex container in which your content will live within. It’s as easy as creating a class, and setting the property to display: flex or display: -webkit-flex; in Safari DevTools.

Getting the footer to stick to the bottom of pages with sparse content is something just about every Web developer has tried to tackle at some point in his or her career. And, for the most part, it’s a solved problem. Yet all the existing solutions have one significant shortcoming — they don’t work if the height of your footer is unknown.