Update style.scss

Author: GaetanoCarlucci

docs/assets/css/style.scss

@@ -27,7 +27,11 @@ body {
 .hero {
   background: var(--accent);
   color: #fff;
-  padding: 2rem 1rem;
+  max-width: 58rem;
+  margin: 2rem auto;
+  padding: 2rem 1.5rem;
+  border-radius: .85rem;
+  box-shadow: 0 2px 6px rgba(0,0,0,.08);
   text-align: center;
 }
 .hero h1 { margin: 0 0 .25rem; font-size: 2.25rem; }