:root{--papel:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='360' height='360'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.78' numOctaves='3' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 .42  0 0 0 0 .27  0 0 0 0 .16  0 0 0 .2 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");--fibra:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='600' height='600'><filter id='f'><feTurbulence type='fractalNoise' baseFrequency='.004 .55' numOctaves='2' seed='3' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 .5  0 0 0 0 .3  0 0 0 0 .2  0 0 0 .12 0'/></filter><rect width='100%25' height='100%25' filter='url(%23f)'/></svg>");--linho:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='480' height='480'><filter id='h'><feTurbulence type='fractalNoise' baseFrequency='.006 .62' numOctaves='2' seed='4' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 .86  0 0 0 0 .78  0 0 0 .07 0'/></filter><filter id='v'><feTurbulence type='fractalNoise' baseFrequency='.62 .006' numOctaves='2' seed='9' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 .1 0'/></filter><rect width='100%25' height='100%25' filter='url(%23h)'/><rect width='100%25' height='100%25' filter='url(%23v)'/></svg>");}