diff --git a/src/app/app.component.scss b/src/app/app.component.scss
index ca9bd7b..3ad8ffd 100644
--- a/src/app/app.component.scss
+++ b/src/app/app.component.scss
@@ -44,6 +44,8 @@ app-header {
 
 @media screen and (max-width: 910px) {
   .main-content {
+    position: absolute;
+    top: 96px;
     width: calc(100vw - 64px);
     height: calc(100vh - 176px);
     padding: 32px;
@@ -53,6 +55,10 @@ app-header {
     min-width: calc(100vw);
   }
 
+  app-header {
+    position: fixed;
+  }
+
   app-sidebar {
     display: none;
   }
diff --git a/src/app/app.component.ts b/src/app/app.component.ts
index 7b78671..4385c91 100644
--- a/src/app/app.component.ts
+++ b/src/app/app.component.ts
@@ -34,4 +34,15 @@ export class AppComponent {
   ) {
     this.router.events.subscribe((event) => {});
   }
+
+  ngOnInit() {
+    this.getUserIdInLocalStorage();
+  }
+
+  getUserIdInLocalStorage() {
+    localStorage.setItem(
+      'currentUserId',
+      JSON.stringify('5EX7gnwPPGEDbN186Rdw')
+    );
+  }
 }