diff --git a/app/views/sites/_form.haml b/app/views/sites/_form.haml
index 757b8b48..2d8ea4fb 100644
--- a/app/views/sites/_form.haml
+++ b/app/views/sites/_form.haml
@@ -53,10 +53,10 @@
       = render 'bootstrap/alert' do
         = t('activerecord.errors.models.site.attributes.design_id.layout_incompatible.help',
           layouts: site.incompatible_layouts.to_sentence)
-    .row.designs
+    .row.row-cols-1.row-cols-md-2.designs
       -# Demasiado complejo para un f.collection_radio_buttons
       - Design.all.find_each do |design|
-        .design.col-md-4.d-flex.flex-column
+        .design.col.d-flex.flex-column
           .custom-control.custom-radio
             = f.radio_button :design_id, design.id,
               checked: design.id == site.design_id,