Test layout for 'others' sponsors

_data/sponsors.yml

@@ -149,3 +149,6 @@ gold:
       description: >-
         Ekino is an agency specializing in digital transformation.  We are part of the Havas group and we design, build, and industrialize innovative digital services for large accounts and startups. Ekino is close to 400 digital experts (development engineers, consultants, technicians, designers) who come from 7 agencies in France (Paris & Bordeaux) and internationally (London, Ho Chi Minh, Singapore, Bangalore, New York).
 others:
+  - name: Davidson Consulting
+    logo: /assets/images/thanks/davidson.png
+    url: https://www.davidson.fr/

_includes/sponsors.html

@@ -12,7 +12,7 @@
     </div>
     {% if othersCount > 0 %}
     <hr>
-    <div class="grid-6 text-center">
+    <div class="grid-4 text-center grid-other-sponsors">
       {% for sponsor in site.data.sponsors.others %}
           <figure class="company-logo-big">
             <a title="{{ "En savoir plus sur %s" | t: include.locale | replace:"%s",sponsor.name }}" href="{{ sponsor.url }}"><img src="{{ site.lazyload.placeholder }}" class="lozad" data-src="{{ sponsor.logo | relative_url }}" alt="{{sponsor.name}}" width="100" height="100"></a>

_sass/base/_grid.scss

@@ -25,3 +25,9 @@
 .grid-item-full {
   grid-column: 1 / -1;
 }
+
+.grid-other-sponsors {
+    @include media('<large') {
+    --grid-item-min-width: 15rem;
+    }
+}