-webkit-marquee-speedThis property can either take one speed parameter (slow, for example) or a measure of distance and a measure of time separated by a slash (/).

]]> / ;]]>The marquee moves at a fast speed.

]]>The marquee moves at a normal speed.

]]>The marquee moves at a slow speed.

]]>]]>Integer, nonnegative value.

]]>]]>Time unit, nonnegative value.

]]>