diff --git a/static/src/vdk2ch.css b/static/src/vdk2ch.css
index eb6fabc..e220cec 100644
--- a/static/src/vdk2ch.css
+++ b/static/src/vdk2ch.css
@@ -22,6 +22,7 @@
     clip-path: polygon(0% 25%, 0% 75%, 50% 100%, 100% 75%, 100% 25%, 50% 0%);
     background: red;
     margin-bottom: calc(var(--m) - var(--s)*0.2885); 
+    aspect-ratio: 1 / 1;
 }
 
 .hex-container img:nth-child(odd) {