is font-stretch supported?

HTML

<p id="normal">normal</p>
<p id="ultra-cohndensed">ultra-condensed</p>
<p id="extra-condensed">extra-condensed</p>
<p id="condensed">condensed</p>
<p id="semi-condensed">semi-condensed</p>
<p id="semi-expanded">semi-expanded</p>
<p id="expanded">expanded</p>
<p id="extra-expanded">extra-expanded</p>
<p id="ultra-expanded">ultra-expanded</p>

CSS

p {
    font-family: "Helvetica Neue", "Calibri", sans-serif;
}

#normal { font-stretch: normal; }
#ultra-condensed { font-stretch: ultra-condensed; }
#extra-condensed { font-stretch: extra-condensed; }
#condensed { font-stretch: condensed; }
#semi-condensed { font-stretch: semi-condensed; }
#semi-expanded { font-stretch: semi-expanded; }
#expanded { font-stretch: expanded; }
#extra-expanded { font-stretch: extra-expanded; }
#ultra-expanded { font-stretch: ultra-expanded; }