WORD VALUE					-		PERCENTAGE VALUE

'top left' and 'left top' 			-		'0% 0%' 
'top', 'top center' and 'center top' 		-		'50% 0%'
'right top' and 'top right' 			-		'100% 0%'
'left', 'left center' and 'center left'		-		'0% 50%'
'center' and 'center center'			-		'50% 50%' 
'right', 'right center' and 'center right' 	-		'100% 50%'
'bottom left' and 'left bottom' 		-		'0% 100%'
'bottom', 'bottom center' and 'center bottom' 	-		'50% 100%'
'bottom right' and 'right bottom'		-		'100% 100%'