react select v2 (update)

This new version introduces a new styles-api and some other major changes.

Custom Styles

Style individual components with custom css using the styles prop.

const colourStyles = {
  control: styles => ({ ...styles, backgroundColor: 'white' }),
  option: (styles, { data, isDisabled, isFocused, isSelected }) => {
    const color = chroma(data.color);
    return {
      ...styles,
      backgroundColor: isDisabled ? 'red' : blue,
      color: '#FFF',
      cursor: isDisabled ? 'not-allowed' : 'default',
      ...
    };
  },
  ...
};

export default () => (
  <Select
    defaultValue={items[0]}
    label="Single select"
    options={items}
    styles={colourStyles}
  />
);

Now there is better documentation and more clear examples on the project’s website:

https://react-select.com/upgrade-guide#new-styles-api

https://react-select.com/home#custom-styles

https://react-select.com/styles#styles

react-select v1 ( old answer – deprecated )

Custom classNames

You can provide a custom className prop to the component, which will be added to the base .Select className for the outer container. The built-in Options renderer also support custom classNames.

Add your custom className as a property to objects in the options array:

const options = [
    {label: "one", value: 1, className: 'custom-class'},
    {label: "two", value: 2, className: 'awesome-class'}
    // more options...
];
...
<Select options={options} />

MenuRender

The menuRenderer property can be used to override the default drop-down list of options.

optionClassName String The className that gets used for options

Example: react-select/master/src/utils/defaultMenuRenderer.js