app/views/devise/sessions/new.html.erb
<div class="body-container">
<div class="form login-form col-xs-10 col-xs-offset-1 offset-md-6 col-md-6 col-lg-4 offset-lg-8">
<%= image_pack_tag 'src/images/logo-banner.png', class: 'img-login' %>
<div class="login-lead">App genérica ResIT</div>
<p class="notice"><%= notice %></p>
<p class="alert"><%= alert %></p>
<%= form_for(resource, as: resource_name, url: session_path(resource_name)) do |f| %>
<div class="form-group">
<label class="form-label float-left">Email</label>
<%= f.email_field :email, autofocus: true, autocomplete: "email", placeholder: 'Ingrese su email', class: 'form-control' %>
</div>
<div class="form-group">
<label class="form-label float-left">Contraseña</label>
<%= f.password_field :password, autocomplete: "off", placeholder: 'Ingrese su contraseña', class: 'form-control' %>
</div>
<div class="form-group">
<% if devise_mapping.rememberable? -%>
<div class="field float-left">
<%= f.check_box :remember_me %>
<%= f.label :remember_me, "Recordarme" %>
</div>
<div class="clearfix"/>
<% end -%>
<div class="actions">
<%= f.submit "Iniciar sesión", class: 'login-btn btn-primary mt-5' %>
</div>
<% end %>
</div>
<div class="mt-5">
<%= render "devise/shared/links" %>
</div>
</div>
</div>