untitled Table of Contents Usage Using Hamburgers for your site is easy (well, that was my intention anyway). Best Practices for Designing a Pragmatic RESTful API Your data model has started to stabilize and you're in a position to create a public API for your web app. You realize it's hard to make significant changes to your API once it's released and want to get as much right as possible up front. Now, the internet has no shortage on opinions on API design. But, since there's no one widely adopted standard that works in all cases, you're left with a bunch of choices: What formats should you accept? How should you authenticate? What You May Not Know About the Z-Index Property The z-index property in CSS seems simple enough, but there's a lot to discover beneath the surface if you really want to understand how it works. In this tutorial we'll clarify the inner workings of z-index, by looking at stacking contexts and a few practical examples. CSS provides three different positioning schemes for the layout of boxes: normal document flowfloatsabsolute positioning The last completely removes an element from the normal flow and relies on the developer to tell the element where to display. You give it top, left, bottom, and right values to position the element in two-dimensional space, but CSS also allows you to place it in the third dimension using the z-index property.