text: import React from 'react';
  
  const Preloader = props => {
  	return (
  		<div style={props.wrapperStyle} className={props.visible ? "" : "hide"}>
          	<div className="preloader-wrapper big active">
              	<div className="spinner-layer spinner-blue-only">
              		<div className="circle-clipper left">
                      	<div className="circle"></div>
                      </div>
                      <div className="gap-patch">
                      	<div className="circle"></div>
                      </div>
                      <div className="circle-clipper right">
                      	<div className="circle"></div>
                      </div>
                  </div>
              </div>
          </div>
  	);
  }
  /*
      npm install prop-types;
      Component.propTypes = {
          text: PropTypes.string.isRequired,
      };
  */
  export default Preloader;