app/views/search_results/sections/_terms.html.erb
<div class="form-group row no-gutters align-items-center bg-white search-input">
<div class="col-auto">
<i class="fa fa-search fa-lg"></i>
</div>
<div class="col">
<%= search_field_tag :q, params[:query],
class: 'form-control form-control-lg form-control-borderless border-0',
placeholder: t('txt.views.search_results.search_term'),
autofocus: true,
autocomplete: 'off' %>
</div>
<div class="col-auto">
<%= submit_tag t('txt.views.search_results.submit'), class: 'btn btn-block btn-lg btn-primary p-2' %>
</div>
</div>