message: Update Hamburger component
diff: -import React from 'react';
  +/** @jsx jsx */
  +
  import PropTypes from 'prop-types';
  +import { css, jsx } from '@emotion/core';
  import styled from '@emotion/styled';
  -import { css } from 'emotion';
  import { hideVisually } from 'polished';
  const LAYER_HEIGHT = '1px';
  