app/views/devise/passwords/edit.html.erb
<% if resource.errors.any? %>
<div class="card red lighten-3">
<div class="card-content">
<div class="card-title">Please fix the following errors:</div>
<ul class="browser-default">
<%= devise_error_messages! %>
</ul>
</div>
</div>
<% end %>
<div class="card">
<div class="card-content">
<div class="card-title">Change your password</div>
<%= form_for(resource, as: resource_name, url: password_path(resource_name), html: { method: :put }) do |f| %>
<%= f.hidden_field :reset_password_token %>
<div class="field">
<%= f.label :password, "New password" %><br />
<%= f.password_field :password, autofocus: true, autocomplete: "off", class: "validate", minlength: @minimum_password_length.presence || 1, required: 'required' %>
<% if @minimum_password_length %>
<em class="help-text">(<%= @minimum_password_length %> characters minimum)</em><br />
<% end %>
</div>
<div class="field">
<%= f.label :password_confirmation, "Confirm new password" %><br />
<%= f.password_field :password_confirmation, autocomplete: "off", class: "validate", minlength: @minimum_password_length.presence || 1, required: 'required' %>
</div>
<div class="actions center">
<%= f.submit "Change my password", class: 'btn' %>
<br /><br />
<%= render "devise/shared/links" %>
</div>
<% end %>
</div>
</div>