Learn METRO4 with Real Code Examples

Metro 4 UI provides a complete front-end toolkit with responsive layouts, UI components, and interactive widgets.

It emphasizes a clean design language and fast prototyping.

Designed for developers who want a structured, ready-to-use framework with integrated JS features.

Grid and flexbox-based responsive layout

UI components: buttons, modals, tiles, menus, forms, tables

JavaScript widgets: calendars, charts, sliders, notifications

Form validation and interactive controls

Customizable themes and color schemes

Grid: `.row`, `.cell`, `.container`

Buttons: `.button`, `.primary`, `.success`

Forms: `.form`, `.input`, `.select`, `.checkbox`

Menus: `.menu`, `.app-bar`, `.tile`

Modals and interactive widgets via JS initialization

index.html - main markup

css/ - custom styles or overrides

js/ - Metro JS widgets and custom scripts

assets/ - images, fonts, icons

node_modules/ - npm dependencies if used

Include Metro 4 UI CSS & JS via CDN or npm

Apply grid and layout classes

Add prebuilt UI components as needed

Initialize JS widgets for interactivity

Customize theme via LESS/CSS variables

Beginner: basic layouts and buttons

Intermediate: forms, tiles, tables

Advanced: interactive widgets and modals

Expert: full-feature dashboards with custom themes

Community: contribute Metro plugins or templates

More structured and component-driven than Tailwind

Metro-style visual design differs from Semantic UI

Includes integrated JS widgets unlike minimal frameworks

Readable and modular markup

Optimized for dashboards and enterprise apps

2015 – Metro 4 UI initial release

2016–2018 – Component and widget expansion

2019–2021 – Theme and responsive updates

2022–2025 – Minor improvements and maintenance

Continues to receive updates and community contributions

Tile: a reusable block for navigation or content

Grid: responsive layout system

Widget: interactive JS component

Theme: colors and styling overrides

Metro style: Windows-inspired modern UI design