A guide to modifying the color of the Menu component in material-ui

Currently, I am utilizing the Menu component from material-ui and facing an issue while trying to modify the background color. The problem arises when I attempt to apply a color to the Menu, as it ends up altering the entire page's background once the menu popper appears. Moreover, assigning a color to individual Menu Items results in some unwanted grey shades at the top and bottom due to all these items being contained within a div. Issue Demo: https://codesandbox.io/s/material-ui-dropdown-background-color-g88e1

What is the correct approach for changing the Menu's background color?

My initial attempt involved using createMuiTheme to make this modification, but unfortunately, it altered the color of all Menu components throughout my application. Instead, I am seeking a solution that allows me to apply this style solely to one of the Menu Items. Therefore, I am exploring ways to achieve this using makeStyle.

javascripthtmlcssreactjsmaterial-ui

Answer №1

There are various methods available

1.Explore Material-UI's Menu CSS API

You can utilize the API named paper

Global class: .MuiMenu-paper
Description: Styles applied to the Paper component.

<Menu
  ...
  classes={{ paper: classes.menuPaper }}
>

export const useStyles = makeStyles((theme: Theme) => ({
  menuPaper: {
    backgroundColor: "lightblue"
  }
}));

2.Take advantage of Material-UI's nesting selector feature to target the MuiPaper-root directly

This is an optional method in cases when there is no specific CSS API available.

<Menu
  ...
  className={classes.menu}
>

export const useStyles = makeStyles((theme: Theme) => ({
  menu: {
    "& .MuiPaper-root": {
      backgroundColor: "lightblue"
    }
  }
}));

https://i.sstatic.net/9eEL0.png

Inspect the DOM structure to identify the correct element's className to use

<div
  class="MuiPaper-root MuiMenu-paper MuiPopover-paper MuiPaper-elevation8 MuiPaper-rounded"
  tabindex="-1"
  style="opacity: 1; transform: none; transition: opacity 251ms cubic-bezier(0.4, 0, 0.2, 1) 0ms, transform 167ms cubic-bezier(0.4, 0, 0.2, 1) 0ms; top: 16px; left: 16px; transform-origin: -8px 10px;"
>
  <ul>
    <li />
    <li />
    <li />
  </ul>
</div>;

In this structure, the MuiPaper-root seems to be placed first. Thus, it would be suitable to use that for styling.

Answer №2

To enhance MUI v5 with createTheme(), simply include the &[role="menu"] selector to exclusively target lists within the Menu component.

const theme = createTheme({
      components: {
        MuiMenu: {
          styleOverrides: {
            list: {
              '&[role="menu"]': {
              backgroundColor: '#2196f3'
              },
            },
          },
        },
      },
    });

Answer №3

To easily incorporate the Mui class into your sx prop, follow these steps:

<Menu sx={
    { mt: "2px", "& .MuiMenu-paper": 
      { backgroundColor: "blue", }, 
    }
  }>
</Menu>

Answer №4

If you want to make a specific css adjustment, target the main root and adjust only the ul element's color.

.MuiMenu-root ul{
  background-color: white;
  color: #0F4D81;
}

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