más espacio entre los gráficos

app/views/stats/index.haml

@@ -8,16 +8,16 @@
         %time{ datetime: @last_stat.created_at }
           "#{time_ago_in_words @last_stat.created_at}."
 
-    .mb-3
+    .mb-5
       - Stat::INTERVALS.each do |interval|
         = link_to t(".#{interval}"), site_stats_path(interval: interval, urls: params[:urls]), class: "btn #{'btn-primary active' if @interval == interval}"
 
-    .mb-3
+    .mb-5
       %h2= t('.host.title', count: @hostnames.size)
       %p.lead= t('.host.description')
       = line_chart site_stats_host_path(@chart_params), **@chart_options
 
-    .mb-3
+    .mb-5
       - original_urls = params[:urls]&.split("\n")&.map(&:strip)
       - rows = original_urls.size.zero? ? 3 : original_urls.size
       %h2= t('.urls.title')
@@ -34,7 +34,7 @@
         = line_chart site_stats_uris_path(urls: params[:urls], **@chart_params), **@chart_options
 
     - Stat::RESOURCES.each do |resource|
-      .mb-3
+      .mb-5
         %h2= t(".resources.#{resource}.title")
         %p.lead= t(".resources.#{resource}.description")
         = line_chart site_stats_resources_path(resource: resource, **@chart_params), **@chart_options.merge(StatsController::EXTRA_OPTIONS[resource])