<h1>Formulário de Login</h1>
<% if flash[:alert] %>
    <div class="alert"><%= flash[:alert] %></div>
<% end %>
<form method="POST" action="<% sessions_path %>">
    <div class="field"><label for="username">Username</label> <input type="text" name="username" id="username" /></div>
    <div class="field"><label for="password">Password</label> <input type="text" name="password" id="password" /></div>
    <div class="field"><input type="submit" value="Login" /></div>
</form>