text: import React, {Component} from 'react';
  import './index.less';
  
  const logo = require('./logo.svg');
  
  export default class Header extends Component {
    render() {
      return (
        <div className="header">
          <span className="logo">
              <img src={logo}/>
          </span>
          <h1>Cola_J's Blog</h1>
          <p>If you can't measure it , you can't improve it</p>
        </div>
      )
    }
  }
  