<%= form_with model: @case_log, builder: GOVUKDesignSystemFormBuilder::FormBuilder do |f| %> <%= f.govuk_number_field :age, hint: { text: "More detail" }, label: { text: "What is the tenant's age?", size: "l"}, min: 0, max: 150, step: 1, width: 20 %> <%= f.govuk_submit %> <% end %>