Fix code in header font size (#3970)
Fix code in header font size (#3970)

* Fix code in header font size

This fixes the tiny code font in header names.

* Update _global.scss

quixoten/vault,kingland/vault,joelthompson/vault,kingland/vault,hashicorp/vault,mgk/vault,rnaveiras/vault,kingland/vault,hartsock/vault,hashicorp/vault,hartsock/vault,kingland/vault,hartsock/vault,joelthompson/vault,joelthompson/vault,naunga/vault,rnaveiras/vault,rnaveiras/vault,mgk/vault,quixoten/vault,naunga/vault,Aloomaio/vault,Aloomaio/vault,quixoten/vault,rnaveiras/vault,hartsock/vault,kingland/vault,Aloomaio/vault,Aloomaio/vault,hashicorp/vault,joelthompson/vault,hashicorp/vault,hartsock/vault,mgk/vault,hashicorp/vault,mgk/vault,quixoten/vault,hashicorp/vault,rnaveiras/vault