Renders content larger than the surrounding text. If the text is already to the largest size big will have no effect.
The welcome.mlyt layout can be found in the MCS/repository/xml-repository directory.
<?xml version="1.0" encoding="UTF-8"?>
<canvas layoutName="/welcome.mlyt" pageTitle="big">
<pane name="background">
<p>You <big>must</big> also assign a positive integer
value to the width parameter.</p>
</pane>
</canvas>