Fix the font size and weight of campsite type headings

These are according to the design

web/static/public.css

@@ -656,6 +656,15 @@ dt {
     flex-shrink: 0;
 }
 
+.campsite_type.carousel .spiel h3 {
+    font-size: calc(1.8rem + 1.7vw);
+    font-weight: 700;
+}
+
+.campsite_type_title {
+    font-size: 3.6rem;
+}
+
 .campsite_type_booking {
     margin-top: 2.5rem;
     display: flex;

web/templates/public/campsite/type.gohtml

@@ -13,7 +13,7 @@
 
 {{ define "content" -}}
     {{- /*gotype: dev.tandem.ws/tandem/camper/pkg/campsite/types.publicPage*/ -}}
-    <h2>{{ .Name }}</h2>
+    <h2 class="campsite_type_title">{{ .Name }}</h2>
 
     {{ with .Carousel -}}
         <div class="campsite_type carousel">