reduce hero title size

Author: deeleeramone

pywry/docs/docs/stylesheets/extra.css

@@ -561,7 +561,7 @@
 }
 
 .pywry-docs-hero__title {
-  font-size: 2rem;
+  font-size: 1.5rem;
   font-weight: 400;
   color: var(--pywry-teal);
   margin: 0 0 .6rem;