Define the dimensions of the page.
 

1 fo.simple-page-master

<fo.simple-page-master
    master-name='master-name'
    page-width='page-width'
    page-height='page-height'
    margin-top='margin-top'
    margin-bottom='margin-bottom'
    margin-left='margin-left'
    margin-right='margin-right'
/>