diff --git a/app/controllers/posts_controller.rb b/app/controllers/posts_controller.rb
index fb9f99e..5465b7c 100644
--- a/app/controllers/posts_controller.rb
+++ b/app/controllers/posts_controller.rb
@@ -1,5 +1,6 @@
 class PostsController < ApplicationController
   before_action :set_post, only: %i[ show edit update destroy ]
+  before_action :authenticate
 
   # GET /posts or /posts.json
   def index
diff --git a/app/views/posts/index.html.erb b/app/views/posts/index.html.erb
index d0ae2ad..3c8ba25 100644
--- a/app/views/posts/index.html.erb
+++ b/app/views/posts/index.html.erb
@@ -1,13 +1,13 @@
-<div class="w-full">
+<div class="w-11/12 sm:w-2/3 md:w-1/2 mx-auto py-10">
   <% if notice.present? %>
     <p class="py-2 px-3 bg-green-50 mb-5 text-green-500 font-medium rounded-lg inline-block" id="notice"><%= notice %></p>
   <% end %>
 
-  <% content_for :title, "Posts" %>
+  <% content_for :title, "X Social" %>
 
   <div class="flex justify-between items-center">
-    <h1 class="font-bold text-4xl">Posts</h1>
-    <%= link_to "New post", new_post_path, class: "rounded-lg py-3 px-5 bg-blue-600 text-white block font-medium" %>
+    <h1 class="font-bold text-4xl">Hello, <%= @current_user.username %>!</h1>
+    <%= link_to "Share", new_post_path, class: "rounded-lg py-3 px-5 bg-blue-600 text-white block font-medium" %>
   </div>
 
   <div id="posts" class="min-w-full">