How to change default font before font-face loads?

In Firefox when a page loads it shows a default font (such as Times New Roman) for a moment (depending on connection speed) before it renders using the specified font-face. I understand this cannot be faster but how can I set, for example, Arial as the default font before it changes when the font-face lo开发者_运维问答ads?

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Specifying an extra font in your font-family property will solve your problem.

font-family: "YourFontFaceFont", arial;

This will cause arial to be used until "YourFontFaceFont" is available.