When the first-choice font isn't available, the browser uses the second specified font, which often results in a big change in size.
Mgbe a na-enweghị ụdị font mbụ, ihe nchọgharị ahụ na-eji mkpịsị aka nke abụọ akọwapụtara, nke na-ebutekarị nnukwu mgbanwe na nha.