Reduce mobile hero button size

app/portfolio.css

@@ -798,11 +798,17 @@
     }
 
     .hero-action-group {
-      display: grid;
+      display: flex;
+      flex-direction: column;
+      align-items: flex-start;
+      gap: 0.75rem;
     }
 
     .hero-action-group > * {
-      width: 100%;
+      width: auto;
+      min-width: min(100%, 13.5rem);
+      padding: 0.8rem 1.35rem;
+      font-size: 13px;
     }
   }