text: import React, { PropTypes } from 'react';
  import injectSheet from 'react-jss';
  import loadingGif from 'assets/blockLoading.gif';
  
  const BlockLoading = ({ classes }) => <div className={classes.blockLoading}><img src={loadingGif} role="presentation" /></div>;
  
  BlockLoading.propTypes = {
    classes: PropTypes.object.isRequired,
  };
  
  export default injectSheet({
    blockLoading: {
      width: '100%',
      textAlign: 'center',
    },
  })(BlockLoading);
  