width attribute

The width attribute specifies the width of a visual stimulus.

Member of

/ width = numeric expression

numeric expression

An expression that can be converted to a number result.

The default unit is percentage of the vertical width of the presentation window.

The following sets the width of a clock to 5% of the screen width:

<clock timer>
/ mode = timer
/ width = 5%
/ timeout = 300000
/ position = (50%, 10%)
/ format = "mm:ss"
</clock>