Github font family:
font-family: -apple-system,BlinkMacSystemFont,Segoe UI,Helvetica,Arial,sans-serif,Apple Color Emoji,Segoe UI Emoji;
Actually used font: sans-serif (incorrect)
Facebook font family:
font-family: Helvetica, Arial, sans-serif;
Actually used font: Arial (correct), though text input fields has a space below
Github font family: system, BlinkMacSystemF ont,Segoe UI,Helvetica, Arial,sans- serif,Apple Color Emoji,Segoe UI Emoji;
font-family: -apple-
Actually used font: sans-serif (incorrect)
Facebook font family:
font-family: Helvetica, Arial, sans-serif;
Actually used font: Arial (correct), though text input fields has a space below