Fix padding between title and border
Fix padding between title and border

dotnet/docfx,DuncanmaMSFT/docfx,superyyrrzz/docfx,928PJY/docfx,superyyrrzz/docfx,pascalberger/docfx,dotnet/docfx,LordZoltan/docfx,superyyrrzz/docfx,pascalberger/docfx,LordZoltan/docfx,sergey-vershinin/docfx,sergey-vershinin/docfx,928PJY/docfx,hellosnow/docfx,dotnet/docfx,hellosnow/docfx,hellosnow/docfx,LordZoltan/docfx,DuncanmaMSFT/docfx,928PJY/docfx,sergey-vershinin/docfx,pascalberger/docfx,LordZoltan/docfx