Customizing the placeholder font size in Material UI Autocomplete using ReactJS

Is there a way to change the placeholder font size for Material UI Autocomplete?

https://i.stack.imgur.com/x71k2.png

             <Autocomplete
                  multiple
                  id="tags-outlined"
                  options={top100Films}
                  getOptionLabel={(option) => option.title}
                  defaultValue={[top100Films[13]]}
                  filterSelectedOptions
                  size="small"

                  renderInput={(params) => (
                    <TextField
                      {...params}
                     
                      variant="outlined"

                      // Change this line below to modify placeholder fontsize  
                      placeholder="Enter Transshipment Ports"

                      
                    />
                  )}
                />
javascriptreactjsmaterial-uimaterial-table

Answer №1

When looking at this scenario, it is possible to select the input element within the component that is displayed in the renderInput using makeStyles

const useStyles = makeStyles({
  customTextField: {
    "& input::placeholder": {
      fontSize: "20px"
    }
  }
})

<TextField
  classes={{ root: classes.customTextField }}
  {...params}
  variant="outlined"
  placeholder="Enter Transshipment Ports"
/>

Here's an example demonstrating this with a modified MUI demo

https://codesandbox.io/s/material-demo-forked-zzwes?file=/demo.js

Answer №2

The sx attribute in this code snippet allows for customization of the MuiFormLabel-root styling, specifically the font size. This feature enables users to create personalized labels that align better with their design preferences.

<TextField
        {...props}
        sx={{
          '& .MuiFormLabel-root': {
            fontSize: '0.8rem',
          },
        }}
      />

Answer №3

To visually customize the placeholder text in an input field, you can apply the ::placeholder CSS selector to the specific class or ID and adjust the font size accordingly

For instance:

.search-input::placeholder {
      font-size: 16px;
}

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