Override group card item width to full in VSF list detail layout

styles/33-layouts-vsf-list-detailseite.css

@@ -53,6 +53,11 @@
   width: 100%;
 }
 
+.sg-vsf-list-detail-page__left-column .sg-group-card > .sg-card {
+  flex: 0 0 100%;
+  width: 100%;
+}
+
 @media (max-width: 767px) {
   .sg-vsf-list-detail-page__intro-block .sg-text-layout-pattern__sample--sixty-width {
     width: 100%;