ConstReadonlyCENTER: "center"Center horizontally
ReadonlyINSIDE: "inside"Align to inside margin (left on odd, right on even pages)
ReadonlyLEFT: "left"Align to left
ReadonlyOUTSIDE: "outside"Align to outside margin (right on odd, left on even pages)
ReadonlyRIGHT: "right"Align to right
Horizontal alignment options for floating drawings.
Reference: https://www.datypic.com/sc/ooxml/t-wp_ST_AlignH.html