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CssVariablesCustomization.js
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CssVariablesCustomization.js
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import * as React from 'react';
import Button from '@mui/material/Button';
import { colorChannel } from '@mui/system';
import {
Experimental_CssVarsProvider as CssVarsProvider,
styled,
} from '@mui/material/styles';
// Custom button using custom styles with CSS variables
const CustomButton = styled(Button)(({ theme }) => ({
backgroundColor: theme.vars.palette.success.dark,
color: theme.vars.palette.common.white,
'&:hover': {
backgroundColor: `rgba(${theme.vars.palette.success.mainChannel} / 0.95)`,
},
}));
// Custom button using CSS variables
const CssVarsCustomButton = styled(Button)({
'--mui-palette-primary-main': '#FF0000',
'--mui-palette-primary-dark': '#8B0000',
'--mui-palette-primary-mainChannel': colorChannel('#FF0000'), // necessary for calculating the alpha values
});
const useEnhancedEffect =
typeof window !== 'undefined' ? React.useLayoutEffect : React.useEffect;
export default function App() {
// the `node` is used for attaching CSS variables to this demo, you might not need it in your application.
const [node, setNode] = React.useState(null);
useEnhancedEffect(() => {
setNode(document.getElementById('css-vars-customization'));
}, []);
return (
<div id="css-vars-customization">
<CssVarsProvider
colorSchemeNode={node || null}
colorSchemeSelector="#css-vars-customization"
>
<CustomButton sx={{ mr: 1 }}>Custom styles</CustomButton>
<CssVarsCustomButton variant="contained">CSS variables</CssVarsCustomButton>
</CssVarsProvider>
</div>
);
}