app/views/layouts/application.html.erb
<!DOCTYPE html>
<html>
<head>
<title>Projectscope</title>
<%= stylesheet_link_tag 'application', media: 'all', 'data-turbolinks-track' => true %>
<%= javascript_include_tag 'application', 'data-turbolinks-track' => true %>
<%= csrf_meta_tags %>
</head>
<body>
<div class="col-md-12 header-bar">
<div class="col-md-9">
<h4>Welcome to ProjectScope</h4>
</div>
<div class="col-md-3" style="text-align: right;">
<% if user_signed_in? %>
<%= link_to('Logout', destroy_user_session_path, :method => :delete, :class => "btn btn-md btn-default") %>
<% end %>
</div>
</div>
<div class="container" style="padding-top: 60px;">
<br>
<div class="row">
<div class="col-md-3"></div>
<div class="col-md-6">
<% unless notice.nil? %>
<div class="alert alert-info"><%= notice %></div>
<% end%>
<% unless alert.nil? %>
<div class="alert alert-danger"><%= alert %></div>
<% end %>
</div>
<div class="col-md-3"></div>
</div>
<%= yield %>
</div>
</body>
</html>