diff --git a/viz/style.css b/viz/style.css
index 9702c51..a53ab7b 100644
--- a/viz/style.css
+++ b/viz/style.css
@@ -312,6 +312,13 @@ a.skuLink:hover { text-decoration: underline; cursor: pointer; }
   width: 100%;
 }
 
+.storeBtn {
+  justify-content: center;   /* center text within each pill */
+  width: 100%;               /* make each pill fill its grid cell */
+  text-align: center;
+}
+
+
 .storeBtn {
   border: 1px solid var(--border);
   background: #0f1318;