Struggling with getting basic CSS to work with React's MUI framework

I've been attempting to incorporate basic CSS with MUI components.

According to their website, it should be feasible.

https://material-ui.com/guides/interoperability/#plain-css

But unfortunately, I'm having trouble getting it to function properly.

  *.birthday-root {                                                                                                                                                                                 
    color: blue;
    align-items: 'center';                                                                                                                                                                                
    width: "25%";                                                                                                                                                                                         
  }                                                                                                                                                                                                       
  .MuiTableCell-root.MuiTableCell-body.birthday-smallCell.MuiTableCell-sizeSmall.birthday-aniverssaryYear {
    font-weight: "bold"                                                                                                                                                                                   
  }                                                                                                                                                                                                       
  .birthday-month {                                                                                                                                                                                       
    border-bottom: "none";                                                                                                                                                                                
    font-weight: "bold";                                                                                                                                                                                  
  }                                                                                                                                                                                                       
  .birthday-smallCell {                                                                                                                                                                                   
    width: "15%";                                                                                                                                                                                         
  }                                                                                                                                                                                                       

Even after trying various approaches like using * for all objects and copying MUI classes from the webpage source, nothing seems to work. While I can still apply CSS to basic elements like div, I'm unable to do so on MUI components.

Using makeStyles isn't an option for me due to my head being filled with styles: https://github.com/mui-org/material-ui/issues/16756

Additionally, I'm not keen on delving into styled-components as that would entail another learning curve.

Answer №1

After a thorough investigation using the developer tools, I discovered that all of my values had extra quotes, which is not valid in standard CSS syntax. This issue arose when I switched from using makeStyles to css.

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