Flabbergasted — A SaaS theme for Astro & Tailwind CSS.

Flabbergasted is a dark-mode SaaS template for startups and AI teams focused on clarity, speed, and style—built with Astro and Tailwind for fast builds.

Flabbergasted help center and integrations pages

Flabbergasted team and about page layout

Flabbergasted SaaS product section example

Flabbergasted dark mode interface preview

Flabbergasted

A SaaS theme for Astro & Tailwind CSS.

Flabbergasted is a dark-mode SaaS template for startups and AI teams focused on clarity, speed, and style—built with Astro and Tailwind for fast builds.

Live Demo Buy Flabbergasted$79

Full Access ~~$199~~/$99

All Pages

Static Pages

— Landing page
— About
— Contact
— Sign in
— Sign up
— Error 404

Content Collections

— Blog
— Customers
— Integrations
— Help Center
— Changelog
— Team
— Legal pages

Content Collections — Comes with a index page and a details page for each entry.

What's included

— Blog Tags
— Reusable Components
— Optional CMS via PagesCMS
— Search
— Content Collections
— SEO Optimized
— Ongoing Updates
— Style Guide
— Astro RSS
— Astro SEO
— Astro Sitemap
— Tailwind CSS Forms
— Tailwind Typography
— Lifetime acccess
— Lifetime updates
— Lifetime support

Details

— Astro v5
— Tailwind v4
— Released on 02.23
— Updated on 08.25
— Performance 99
— Accessibility 100
— Best Practices 100
— SEO 100

CMS — Every theme comes with a preconfigured .pages.yaml that links your collections. PagesCMS works out of the box, no extra setup.

About

Flabbergasted — dark SaaS theme for Astro & Tailwind CSS

Flabbergasted is a dark, minimal SaaS theme made for startups and AI products that need to look sharp and load instantly. It balances bold design with clean code — perfect for teams that want focus without fluff.

Why Flabbergasted

Designed for SaaS, startups, and AI tools
Astro-fast: 99+ Lighthouse scores in performance and SEO
Tailwind-flexible: clean structure, simple to restyle
Pre-built pages for landing, about, contact, sign in, and sign up
Content collections for blog, changelog, customers, and integrations
Reusable components for sections, CTAs, and pricing layouts
CMS optional — includes a .pages.yaml that reads your Astro content collections. No plugins, no hacks, your code stays untouched.
SEO-ready with Astro SEO, Sitemap, and RSS included
Consistent file structure, style guide, and ongoing updates

Layout & Structure

Flabbergasted’s dark interface draws attention to content and interactions.
Sections are clear, typography is precise, and gradients stay subtle — letting your product take the spotlight.
It’s built to perform, read well, and feel premium without noise.

One-time license — lifetime value

Buy once. Use forever. Launch your next SaaS in style and speed. Buy Flabbergasted

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Meet Lexington's customers and supporters

Lexington helps you create your website quickly and easily. See how others have turned their ideas into reality with Lexington.

Read all reviews

Michael has been dropping some amazing premium themes for Astro lately.

Fred Schott

CEO of Astro.build

Love the design work

Steve Ruiz

Founder at tldraw.com

We need to get some Lexington themes on Ghost!

John O'Nolan

Founder/CEO of Ghost

Chief, nice work.

Guillermo Rauch

vercel.com

Flabbergasted — A SaaS theme for Astro & Tailwind CSS.