text: 
  import styled from 'styled-components';
  import ListItem from '@material-ui/core/ListItem';
  import ListItemSecondaryAction from '@material-ui/core/ListItemSecondaryAction';
  
  
  export const CustomListItem = styled(ListItem)`
    &:hover {
      background: blue;
    }
  `;
  
  export const CustomListItemSecondaryAction = styled(ListItemSecondaryAction)`
    display: none;
    ${CustomListItem}:hover & {
      display: block;
    }
  `;
  