Jason Seifer

Jason Seifer is a web developer, podcaster, world traveler, astronaut, and more. He also teaches at Treehouse. You can find him on Twitter @jseifer.

CSS Shapes

The Treehouse Show is back! In episode 116 of The Treehouse Show, Nick (@nickrp) and Jason (@jseifer) talk about CSS Shapes, new alert styles, animating images with CSS, and more. For a free month’s trial, Join Jason and Nick at …Continue reading

Device Mockups

It’s Tuesday which means that the Treehouse Show is back! In episode 110 of The Treehouse Show, Nick (@nickrp) and Jason (@jseifer) talk about the Chrome Dev Tools, heatmap.js, Device Mockups, and more. For a free month’s trial, Join Jason …Continue reading

CSS Triggers

It’s Tuesday which means that the Treehouse Show is back! In episode 109 of The Treehouse Show, Nick @nickrp) and Jason (@jseifer) talk about CSS Triggers, FireShell, fast responsive designs, and more. For a free month’s trial of Treehouse, Join …Continue reading