How to change mui button font size in react js?

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To change mui button font size, set font-size: 30px !important; in .MuiButton-contained. It will change mui button font size.

Today, I am going to show you, how to change mui button font size in react js.

Installation

Install the following packages to use mui button font size in react js.

npm

npm install @mui/material @emotion/react @emotion/styled

yarn

yarn add @mui/material @emotion/react @emotion/styled

MUI material change mui button font size example.

The below code is an example of changing mui button font size using mui.

App.js

import * as React from 'react';
import Stack from '@mui/material/Stack';
import Button from '@mui/material/Button';
import "./App.css"

export default function BasicButtons() {
  return (
    <Stack spacing={2} direction="row">
    
      <Button variant="contained">Contained</Button>
     
    </Stack>
  );
}

App.css

.MuiButton-contained  {
  font-size: 30px !important;
}

In the above code example, I have used the @mui/material component and changed mui button font size.

Check the output of the above code example.

All the best 👍