I never worked through this, and it may be outdated now, but Let's build a browser engine! seems to fit the bill: https://limpet.net/mbrubeck/2014/08/08/toy-lay

I never worked through this, and it may be outdated now, but Let's build a browser engine! seems to fit the bill: https://limpet.net/mbrubeck/2014/08/08/toy-layout-engine-1.html https://limpet.net/mbrubeck/2014/08/08/toy-layout-engine-1.h...