Want to create a modern animated gradient border just like the ones you see on premium UI dashboards, crypto websites, and modern landing pages?
In this video, I’ll show you step-by-step how to build this effect using pure HTML & CSS, and we’ll break down every part of the code together.
You’ll learn:
✔ How to structure the HTML for your card
✔ How to style the UI with simple CSS
✔ How to use linear-gradient for glowing border effects
✔ How to animate CSS custom properties using @property
✔ Why this code doesn’t work in some browsers
✔ How to fix browser support using the CSS Auto Prefix extension
This is a perfect mini-project for beginners & frontend developers who want to level up their modern UI design skills.
👉 If you want more UI micro-effects, animations, and modern CSS tutorials, don’t forget to subscribe!
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On this page of the site you can watch the video online Modern CSS Animation & Gradient Border Effect | HTML & CSS Tutorial with a duration of hours minute second in good quality, which was uploaded by the user Barmajli 28 November 2025, share the link with friends and acquaintances, this video has already been watched 4,585 times on youtube and it was liked by 251 viewers. Enjoy your viewing!