<!DOCTYPE html>
<html>
<head>
  <title>App</title>
  <%= stylesheet_link_tag    'application', media: 'all', 'data-turbolinks-track' => true %>
  <%= javascript_include_tag 'application', 'data-turbolinks-track' => true %>
  <%= csrf_meta_tags %>
</head>
<body>

<%= yield %>

</body>
</html>

<!DOCTYPE html>
<html>
<head>
<title>App</title>
<%= stylesheet_link_tag    'application', media: 'all', 'data-turbolinks-track' => true %>
<%= javascript_include_tag 'application', 'data-turbolinks-track' => true %>
<%= csrf_meta_tags %>

<style>
a{
	-webkit-transition: all 0.5s ease-out;
	-moz-transition: all 0.5s ease-out;
	-o-transition: all 0.5s ease-out;
	transition: all 0.5s ease-out;
}

a:hover{
	-webkit-transition: all 0.5s ease-out;
	-moz-transition: all 0.5s ease-out;
	-o-transition: all 0.5s ease-out;
	transition: all 0.5s ease-out;
	}

.primary a{
background-color: #337ab7; 
color: white;
margin-left: 10px;
margin-right: 10px;
}	

.primary a:hover{
background-color: white;
color: #337ab7;
margin-left: 10px;
margin-right: 10px;
}
</style>
</head>
<body>

<ul class="nav nav-pills nav-justified primary">
	<% if student_member_signed_in? or coordinator_signed_in? %>


		<li role="presentation" class="alert">

	<% if student_member_signed_in? %>

		<%= link_to "Signout", destroy_student_member_session_path, method: :delete %>

<% else %>

		<%= link_to "Signout", destroy_coordinator_session_path, method: :delete %>

<% end %>

	</li>


<% else %>


		<li role="presentation">
	<%= link_to "Sign in as a Student Member", new_student_member_session_path %>
	</li>
	<li role="presentation">
	<%= link_to "Sign in as a Coordinator", new_coordinator_session_path %>
	</li>

<% end %>
</ul>

<%= yield %>

</body>
</html>

Change the main layout to show the signin and signout buttons.
Change the main layout to show the signin and signout buttons.

- These buttons will be shown depending on whether and what type of a 
user is signed in.