message: add header height condition
diff: @@ -42,7 +42,7 @@ export default class Header extends Component {
  handleScroll() {
  let scrollTop = window.pageYOffset || document.documentElement.scrollTop;
  - if ( scrollTop > lastScrollTop ) {
  + if ( scrollTop > lastScrollTop || scrollTop < 88) {
  this.setState({sticky: false})
  }
  else {
  