You Tapped the Words. Did the Arrow Do the Same Thing?
by Marcos Peña | | UX/UI
An accordion menu with no icon reads as a link to another page, and a caret is the safer sign that the list opens in place.
UX/UI Designer & Frontend Developer
I'm a UI/UX designer with frontend skills in HTML, CSS, Sass, and WordPress. I enjoy working on interface design and enhancing user experiences for both mobile and web apps. My passion lies in creating intuitive and visually appealing designs that seamlessly connect users with technology.

UX/UI Design , HTML/CSS , Adobe Illustrator, Adobe Photoshop

Creative and eloquent, Marcos is humble yet brimming with knowledge on diverse topics. A natural speaker, he can deliver a talk on just about anything. He’s a die-hard Figma fan and loves engaging in long, meaningful conversations.

"The day Santiago introduced me to Figma. I’d always used Illustrator, but after that, I never looked back."



Figma, Chrome, Spotify


by Marcos Peña | | UX/UI
An accordion menu with no icon reads as a link to another page, and a caret is the safer sign that the list opens in place.
by Marcos Peña | | Development
Page speed is a lab score from a simulated phone, and it names the delay to fix before the call button.
by Marcos Peña | | UX/UI
An adaptive interface shows less from across the room and more detail up close, without hiding what the person still needs.
by Marcos Peña | | AI
Nikon Small World took first prize back after the winning microscope video missed the generative AI rules.
by Marcos Peña | | UX/UI
A proofreading study found dark text on a light page beats light text on a dark page, and the gap grows as the type gets smaller.
by Marcos Peña | | AI
Parents are turning a wall photo into school pictures with AI. Finishing the file is not the same as getting the photographer's result.
by Marcos Peña | | UX/UI
Google Messages changed what swiping does. Learn the new gestures and what this small UX shift says about familiar app design.
by Marcos Peña | | UX/UI
Apple added a Liquid Glass slider in iOS 27 because iPhone buttons were too see-through — your website has the same contrast problem and no Settings toggle.
by Marcos Peña | | Small Business
ADA lawsuits and the EU's EAA already touch small-business sites, so here's what applies and a practical place to start.
by Marcos Peña | | Development
A web app runs in the browser. A mobile app needs the App Store. Here's how Atlanta founders can tell which one they should actually pay for.
by Marcos Peña | | UX/UI
If every block on your site shouts at the same volume, visitors don't know where to click — that's a visual hierarchy problem.
by Marcos Peña | | UX/UI
Learn what information architecture is in UX, its four main components, how it differs from UX, and which techniques designers use to validate it.