Stef wrote
for what is the px unit stand for? (from tex.stackexchange)
From the plain TeX reference: ⢠pt: Point ⢠pc: pica (12 pt) ⢠in: inch (72.27 pt) ⢠bp: Big point (72 bp = 1 in) ⢠cm: Centimeter ⢠mm: Millimeter ⢠dd: Didot point ⢠cc: cicero (12 dd) ⢠sp: Scaled point (65536 sp = 1 pt), the smallest TeX unit ⢠ex: Nominal x-height ⢠em: Nominal m-width Available in math mode:
⢠mu: math unit, 1 em = 18 mu, where em is taken from the math symbols family, various lengths are derived from it (thinspace, thickspace, etc.) Additionally available in pdfTeX and LuaTeX: ⢠px: "pixel", the dimension given to the \pdfpxdimen primitive; default value is 1 bp, corresponding to a pixel density of 72 dpi Stephan