I am using Boost.
I tried John's code by adding it into Admin | Appearance | Boost | Advanced Setting, and then in the Raw SCSS dialog box. It worked fine. I don't think it matters if it is added at the top or at the bottom. I am not a CSS expert, but I think this @media print {... is additive.
I tried John's code by adding it into Admin | Appearance | Boost | Advanced Setting, and then in the Raw SCSS dialog box. It worked fine. I don't think it matters if it is added at the top or at the bottom. I am not a CSS expert, but I think this @media print {... is additive.