MUI – Lightweight Material Design CSS Framework

In plain words

MUI is a lightweight CSS framework based on Google's Material Design principles. It provides developers with pre-built components and styling tools to create responsive web interfaces quickly. The framework includes buttons, panels, containers, and other UI elements that follow Material Design guidelines. MUI is designed for web developers building modern applications who want a streamlined alternative to heavier design frameworks.

written from the facts on this page · September 2026

From the sources

<!doctype html> < html > < head > < meta charset = "utf-8" > < meta http-equiv = "X-UA-Compatible" content = "IE=edge" > < meta name = "viewport" content = "width=device-width, initial-scale=1" > <!-- load MUI --> < link href = "//cdn.muicss.com/mui-0.10.3/css/mui.min.css" rel = "stylesheet" type = "text/css" /> < script src = "//cdn.muicss.com/mui-0.10.3/js/mui.min.js" ></ script > </ head > < body > <!-- example content --> < div class = "mui-container" > < div class = "mui-panel" > < h1 > My Title </ h1 > < button class = "mui-btn mui-btn--primary mui-btn--raised" > My Button </ button > </ div > </ div > </ body > </ html > Learn more Package Layout The MUI package includes all the…from muicss.com

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