refactor(styles): unify look and feel across pages

Signed-off-by: SphericalKat <amolele@gmail.com>

lib/ketbin_web/templates/layout/app.html.eex

@@ -42,7 +42,7 @@
         © <%= DateTime.utc_now().year %> SphericalKat
       </a>
       <a href="https://github.com/sphericalkat/katbin-elixir">
-        GitHub
+        Fork me!
       </a>
       </div>
     </footer>

lib/ketbin_web/templates/page/show.html.eex

@@ -1,5 +1,5 @@
 <div class="flex relative flex-col w-full h-full">
-	<div class="flex absolute top-0 right-0 p-4 ">
+	<div class="flex absolute top-0 right-0 p-4">
 		<%= if @show_edit do%>
 			<a href="<%= Routes.page_path(@conn, :edit, @paste.id) %>" class="text-white hover:text-amber">
 			<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" class="h-6 w-6 cursor-pointer fill-current">
@@ -8,5 +8,5 @@
 		</a>
 		<% end %>
 	</div>
-	<code class="break-word pl-2 h-full w-full nomarkdown overflow-y-auto"><%= @paste.content %></code>
+	<code class="break-word px-6 py-4 h-full w-full nomarkdown overflow-y-auto"><%= @paste.content %></code>
 </div>