[x/go.dev] smaller meetup event icons

Change-Id: Ib627e61c7cd860c4cfa3400179d62a1a2dd5f006

X-GoDev-Commit: 84d0276f5f79770b7de96a303cdfac2cc06fe403
diff --git a/go.dev/assets/css/styles.css b/go.dev/assets/css/styles.css
index 72edddb..fb972bd 100644
--- a/go.dev/assets/css/styles.css
+++ b/go.dev/assets/css/styles.css
@@ -2163,14 +2163,14 @@
     max-width: 46.825rem;
   }
   .Learn-eventThumbnail {
-    height: 17rem;
-    min-width: 18.375rem;
+    height: 8rem;
+    min-width: 8rem;
     margin-right: 1rem;
     margin-bottom: 0;
   }
   .Learn-eventThumbnail img{
-    height: 17rem;
-    width: 17rem;
+    height: 8rem;
+    width: 8rem;
     object-fit: contain;
   }
   .Learn-eventDate {