content: import React from 'react';
  import Button from 'react-toolbox/lib/button/Button'
  import Icon from 'react-toolbox/lib/font_icon/FontIcon'
  
  const backButton = ({router, style, ...props}) => {
    return (
      <Button style={{
          paddingLeft: '5px', 
          minWidth: 0, 
          textAlign: 'left', 
          textTransform: 'none',
          ...style
        }}
        onClick={() => router.goBack()}
        {...props}>
        <Icon>arrow_back</Icon> Volver
      </Button>
    );
  }
  
  export default backButton;