update micropost view page_css tag

app/views/microposts/_micropost.html.erb

-<!-- <li id="micropost-<%= micropost.id %>"> -->
 <li id="<%= micropost.id %>">
   <%= link_to gravatar_for(micropost.user, size: 50), micropost.user %>
   <span class='user'><%= link_to micropost.user.name, micropost.user %> </span>

app/views/users/show.html.erb

@@ -16,7 +16,7 @@
     <%= render 'follow_form' if logged_in? %>
     <% if @user.microposts.any? %>
       <h3>Microposts (<%= @user.microposts.count %>)</h3>
-      <ol class='micropost'>
+      <ol class='microposts'>
         <%= render @microposts %>
       </ol>
       <%= will_paginate @microposts %>

app/views/users/show_follow.html.erb

@@ -22,7 +22,7 @@
   <div class='col-md-8'>
     <h3><%= @title %></h3>
     <% if @users.any? %>
-      <ul class='user follow'>
+      <ul class='users follow'>
         <%= render @users %>
       </ul>
       <%= will_paginate %>