fix blob sizing for very small windows

Author: g-harel

demo/example.ts

@@ -10,7 +10,7 @@ exampleContainer.appendChild(canvas);
 let size = 0;
 const resize = () => {
     // Set blob size relative to window, but limit to 600.
-    const rawSize = Math.min(600, Math.min(window.innerWidth - 64, window.innerHeight - 256));
+    const rawSize = Math.min(600, Math.min(window.innerWidth - 64, window.innerHeight / 2));
     canvas.style.width = `${rawSize}px`;
     canvas.style.height = `${rawSize}px`;
 

demo/index.html

@@ -25,7 +25,8 @@
             }
 
             header img {
-                height: 6rem;
+                height: 16vh;
+                max-height: 6rem;
             }
 
             header nav a,