Fixed mobile grid for person

assets/sass/_theme/sections/persons.sass

@@ -97,16 +97,16 @@ ol.persons
     a
         @extend .link-more
 
-
-.persons__page
-    .informations
-        @include grid
-        margin-bottom: $spacing2
-        > div
-            &:first-of-type
-                grid-column: 1 / 9
-            &:nth-of-type(2)
-                grid-column: 9 / 13
-
-        .lead + div
-            margin-top: $spacing2
+@include media-breakpoint-up(lg)
+    .persons__page
+        .informations
+            @include grid
+            margin-bottom: $spacing2
+            > div
+                &:first-of-type
+                    grid-column: 1 / 9
+                &:nth-of-type(2)
+                    grid-column: 9 / 13
+
+            .lead + div
+                margin-top: $spacing2