
Template details
Halcyonic
Halcyonic is a free, responsive HTML5 + CSS3 site template by HTML5 UP with five unique page layouts.
About this template
Halcyonic is a free, responsive HTML5 + CSS3 site template by AJ (ajlkn) for HTML5 UP that ships with five distinct page layouts for building business or portfolio websites.
What is Halcyonic?
Halcyonic is a free site template created by AJ (ajlkn) for HTML5 UP, built on HTML5 and CSS3. It outputs a responsive multi-page website demo with five unique layouts, and is distributed under the Creative Commons Attribution (CCA) license, so you can use it for personal or commercial projects as long as the HTML5 UP credit line stays intact. The demo page includes a homepage with a welcome headline, feature highlight blocks, customer testimonials with avatar images, and a footer containing a Twitter widget iframe.
Key Features
- Responsive design — Halcyonic adapts to desktops, tablets, and mobile phones, reflowing its layout at every screen size.
- Five unique page layouts — The template provides five distinct page designs, giving you multiple structural starting points for a multi-page site.
- Pure HTML5 + CSS3 — With no server-side dependencies, the static HTML and CSS files can be hosted on any web server.
- Free CCA license — The Creative Commons Attribution license permits personal and commercial use as long as you preserve the HTML5 UP credit.
- Demo content and Unsplash imagery — Example text, quotes, and images from Unsplash are included so you can preview the intended look.
- Footer Twitter widget — The demo layout includes an embedded Twitter widget iframe, a ready-made spot for a social feed.
Who is it for?
- Freelance web designers — Use Halcyonic as a rapid starting point for client websites, replacing the demo copy and images with the client's content.
- Small businesses and startups — Customize the homepage sections to build a professional company site without paying for a premium theme.
- Web development learners — Study a clean, responsive HTML5 and CSS3 codebase to learn practical layout techniques.
- Portfolio owners — Pick one of the five layouts to present work with a simple, content-focused design.
What can you do with Halcyonic?
- Launch a company website: Combine the five layouts into a multi-page business site with a homepage, content pages, and social media integration.
- Build a product landing page: Use the hero section and feature highlight blocks to introduce a product and its key benefits.
- Show customer testimonials: Repurpose the testimonial section with avatars to display reviews from clients or users.
FAQ
Is Halcyonic free?
Yes, Halcyonic is released under the Creative Commons Attribution license, making it free for personal and commercial use. You only need to keep the HTML5 UP credit line intact, which is a standard requirement of HTML5 UP templates.
What does Halcyonic include?
Halcyonic includes five unique page layouts, a fully responsive HTML5 and CSS3 codebase, demo content, and demo images from Unsplash. The homepage layout also reserves space for a Twitter widget in the footer.
Can I use Halcyonic commercially?
Yes, the CCA license explicitly allows commercial and personal use. The only condition is that you keep the design credit to HTML5 UP visible in your final site.
Does Halcyonic work on mobile devices?
Yes, Halcyonic is built to be fully responsive, so it looks good on desktops, tablets, and phones. The layout automatically adjusts to the screen width.









