CSS font abbreviation Summary attached instance _ experience Exchange

The abbreviation of the font, if omitted family,
Like this:
font:700 14px/22px;
It is not valid under Firefox.
The complete wording is: font:700 14px/22px Arial;

<! DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 transitional//en" "Http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd "> <style> login_top{height:26px;font:bold 14px/26px" song Body "; border:1px solid #000}. login_top2{height:26px; line-height:26px; font-weight:bold;font-size:14px;border:1px Solid #0 00; font-family: ' Arial '} </style> I'm not centered vertically <br/> I'm vertically centered
[Ctrl + A full selection Note: If you need to introduce external JS need to refresh to execute]

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