Make sure to utilize the className attribute when styling a Material-UI component

I am attempting to apply CSS styles to a Material-UI component.

defined in MyCss.css

.trackTitle {
    color:white;
}

located in myComponent.js

import "./MyCss.css"

<Grid container item xs={1} className="trackTitle">
change color test
</Grid>

The color change is not taking effect.

However, the following approach works:

import "./MyCss.css"

<Grid container item xs={1} className="trackTitle">
<span className="trackTitle">
change color test
</span>
</Grid>

If I use a basic span tag instead of the Material-ui Grid

The style applies correctly.

Consider another example with the Slider component

defined in MyCss.css

.mySlider {
    height:"80px";
}

in myComponent.js

<Slider className="mySlider"
    min={0} max={1} step={0.1}/>

does not work as expected.

<Slider className="mySlider" style={{height:"80px"}}
    min={0} max={1} step={0.1}/>

This method does work for applying the desired styles.

I have realized that using className for a Material-UI component does not work as intended.

However, I still want to apply CSS styles to Material-UI components. How can this be achieved?

Answer №1

If you're looking to customize Material-UI components, one approach is to locate the CSS selector for the component in the browser console and then override the styles in your own CSS file. This method is likely to be effective in making the desired changes. For instance, below is the base CSS for a slider component:

.MuiSlider-root {
color: #1976d2;
width: 100%;
cursor: pointer;
height: 2px;
display: inline-block;
padding: 13px 0;
/* position: relative; */
box-sizing: content-box;
touch-action: none;
-webkit-tap-highlight-color: transparent;
}

You can copy and paste this code into your CSS file and make adjustments as needed to achieve the desired visual outcome.

.MuiSlider-root {
/* Make your updates here */
}

Answer №2

Material-UI is a fantastic CSS framework that allows you to easily style your components. If you want to use classNames for Material-UI components, simply remember to injectFirst in the root. Here's an example:

ReactDOM.render(
        <StylesProvider injectFirst>
            <App/>
        </StylesProvider> 
    document.getElementById('root')
);

After doing this, feel free to use classNames anywhere within your app on any Material-UI component with ease!

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