Scroll page list

components/nav-menu.js

@@ -13,6 +13,7 @@ export class NavMenu extends HTMLElement {
         display: flex;
         flex-direction: column;
         color: #000;
+        max-height: 100vh;
       }
       h1 {
         width: 100%;
@@ -21,6 +22,10 @@ export class NavMenu extends HTMLElement {
         margin: 0;
         padding: 5px;
       }
+      .page-list {
+        flex-grow: 1;
+        overflow-y: auto;
+      }
       a {
         display: block;
         margin: 5px 10px;
@@ -31,6 +36,7 @@ export class NavMenu extends HTMLElement {
     this.header.innerText = this.pagesText
     this.shadowRoot.append(this.header)
     this.pageList = document.createElement('div')
+    this.pageList.classList.add('page-list')
     this.shadowRoot.append(this.pageList)
     this.renderPageList()
     this.shadowRoot.addEventListener('click', e => {