Material-UI: The Mystery of Missing CSS Properties

Struggling to apply a CSS class to an element from Material-UI:

bw:hover {
    -webkit-filter: grayscale(100%); /* Safari 6.0 - 9.0 */
    filter: grayscale(100%);
}

Tried using makeStyles:

import { makeStyles } from '@material-ui/core/styles';

const useStyles = makeStyles({
  bw: {
      filter: grayscale('100%'),
  },
});

Encountered an issue as grayscale is undefined.

Not seeing the benefits of styling with makeStyles in Material-UI: syntax changes, missing properties! frustrating!

Decided to override the component style:

Consulted the docs for CardMedia component in Material-UI. Attempted to override the css class of the image tag:.MuiCardMedia-img, but direct .css file modification failed:

.MuiCardMedia-img:hover {
  -webkit-filter: grayscale(100%); /* Safari 6.0 - 9.0 */
  filter: grayscale(100%);
}

Seeking clarification, any help appreciated.

javascriptcssreactjsmaterial-ui

Answer №1

To make the necessary change, you must convert it to a string within the makeStyles function as shown below:

const useStyles = makeStyles({
  bw: {
    filter: `grayscale('100%')`,
  },
});

In this specific situation, the code is expecting a function named grayscale, which does not exist in your code. It is simply a CSS property that should be passed to makeStlyles.

I trust this clarification proves helpful!

Answer №2

If you want to customize the css of a material component, follow these steps:

const customStyle = {
  newMedia: {
    //add your css properties here
  }
}

<CardMedia classes={{media: customStyle.newMedia}} />

I have included a link below for reference. Feel free to check it out and see if it meets your needs.

https://codesandbox.io/s/sharp-rubin-4viw0

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