if used within <template> this is the distance from the left border of the document, this can be in pt, mm or cm, e.g. left="20mm". Ignored when used in <body>.
bottom
if used within a template this is the distance from the bottom border of the document, this can be in pt, mm or cm, e.g. top="20mm".
width
The width of the image. Can be in pt, mm or cm, e.g. width="2cm".
height
The width of the image. Can be in pt, mm or cm, e.g. height="44mm".