fixed avatar display

assets/sass/_theme/blocks/organization_chart.sass

@@ -20,13 +20,14 @@
                         width: col(3)
                     .description
                         margin-top: 0
-        article
-            flex-direction: row
-            .avatar
-                margin-right: $spacing1
+    article
+        flex-direction: row
+        .avatar
+            margin-right: $spacing1
+            @include media-breakpoint-up(md)
                 width: calc(#{col(1, 4)} + #{$grid-gutter})
-            .description
-                margin-top: $spacing1
+        .description
+            margin-top: $spacing1
     @include media-breakpoint-up(sm)
         @include in-page-without-sidebar
             .persons