Change style of h4 and h5 content

Author: julienrf

_sass/layout/type-md.scss

@@ -45,8 +45,7 @@
     h5 {
         font-size: 1.0rem;
         font-family: $base-font-family;
-        text-transform: uppercase;
-        font-weight: $font-regular;
+        font-weight: $font-bold;
     }
 }