content: import React from 'react';
  import FloatingActionButton from 'material-ui/FloatingActionButton';
  import SelectAll from 'material-ui/svg-icons/content/select-all';
  
  const BoundAllMarkersBtn = ({ onClick }) => (
    <FloatingActionButton onTouchTap={onClick}>
      <SelectAll />
    </FloatingActionButton>
  )
  
  export default BoundAllMarkersBtn