Whether you want to develop games or design future-friendly, responsive webpages suitable for any device, one of the best ways to learn HTML5 and CSS3 — the updated versions of the most widely used web design and development languages — is to find and follow the best web development and design gurus in the industry. On both your computer and ever-evolving mobile devices, the trend tends to favor minimalistic yet responsive designs that allow users to gain quick and easy access to websites, as well as apps and files in the cloud, with the fastest load times ever. Today, we see games that are created solely with HTML5, impressive CSS3 animations, and other elements that cost next-to-nothing in file size. To boot, some of these games utilize specialized sensors and wearable technology, pointing to a future of computing with no physical interfaces at all. Hooked yet? If you’re searching for gurus to learn about these technologies from, there are five web design and development gurus you should never overlook.