Use dvh for menu and iframe heights

components/nav-menu.js

@@ -13,7 +13,7 @@ export class NavMenu extends HTMLElement {
         display: flex;
         flex-direction: column;
         color: #000;
-        max-height: 100vh;
+        max-height: 100dvh;
       }
       h1 {
         width: 100%;
@@ -25,6 +25,7 @@ export class NavMenu extends HTMLElement {
       .page-list {
         flex-grow: 1;
         overflow-y: auto;
+        padding-bottom: 50px;
       }
       a {
         display: block;

components/page.js

@@ -71,7 +71,7 @@ export class Page extends HTMLElement {
       iframe {
         border: none;
         width: 100%;
-        height: 90vh;
+        height: 90dvh;
       }
       :host(.editing) iframe {
         display: none;
@@ -135,7 +135,7 @@ export class Page extends HTMLElement {
 
   get body() {
     try {
-      return localStorage.getItem(this.path) ?? ''
+      return localStorage.getItem(this.path)
     } catch (err) {
       console.error(err)
       return ''