Fix image sizing & scaling on home page

src/css/exceptions/home.css

@@ -10,4 +10,10 @@
   h1 {
     font-size: var(--text-size-3xl);
   }
+
+  picture {
+    max-width: clamp(8rem, calc(1.09rem + 10vw), 12rem);
+    margin-left: auto;
+    margin-right: auto;
+  }
 }