React TypeScript Modal - reactjs

Question

Modal.tsx
import React from 'react';
import './Modal.css'
interface IProps {
show?: boolean;
handleClose?: any;
children: any;
};
const Modal:React.SFC<IProps> = ({ handleClose, show, children }: IProps) => {
const showHideClassName = show ? "display-block" : "display-none";
return <div className={showHideClassName}>
<section className="modal-main">
{children}
<button onClick={handleClose}>close</button>
</section>
</div>;
};
export default Modal;
infoPresenter.tsx
import { Icon } from 'antd';
import React from 'react';
import Modal from '../Modal';
import './Info.css';
class Info extends React.Component{
public state = {
show: false
};
public showModal = () => {
this.setState({ show:true })
}
public hideModal = () => {
this.setState({ show:false })
}
public render(){
return (
<section className="Info">
<div className="InfoTitle">
<h1>Philociphy</h1>
<p>
lorem ipsum
</p>
</div>
<div className="WholeBox">
<div className="BoxLeft" onClick={this.showModal}>
<Modal show={this.state.show} handleClose={this.hideModal}>
<p>Modal</p>
<p>Data</p>
</Modal>
<p>VISION</p>
<Icon type="arrow-left" />
</div>
<div className="BoxRight">
<p>VALUE</p>
<Icon type="arrow-right" />
</div>
</div>
</section>
)
}
}
export default Info;
I want to make the modal. it works but not vanish.
I checked all my state and props, but couldn't find problems.
I don't know where's wrong in my code.
please find it and fix it.
if you have more good idea which make the modal, please let me know how make it in typescript react.
Thanks for all guys who watch this questions