This test checks font syles.

font-family="serif" font-style not given font-family="serif" font-style="normal" font-family="serif" font-style="italic" font-family="serif" font-style="oblique" font-family="serif" font-style="backslant" font-family="serif" font-style="obscure" font-family="sans-serif" font-style not given font-family="sans-serif" font-style="normal" font-family="sans-serif" font-style="italic" font-family="sans-serif" font-style="oblique" font-family="sans-serif" font-style="backslant" font-family="sans-serif" font-style="obscure" font-family="monospace" font-style not given font-family="monospace" font-style="normal" font-family="monospace" font-style="italic" font-family="monospace" font-style="oblique" font-family="monospace" font-style="backslant" font-family="serif" font-style="obscure"