Shift layout when viewport is large enough to accomodate

style.css

@@ -9,7 +9,6 @@ div#content {
 
 body {
   margin: 0;
-  display: flex;
 }
 
 circle#point {
@@ -149,3 +148,9 @@ rect#debug-view-box {
   fill: blue;
   fill-opacity: 0.2;
 }
+
+@media (width >= 1800px) {
+  body {
+    display: flex;
+  }
+}