repeatable white cross sign, mark over red for medical, healthcare background, . red plus sign seamless pattern

pattern background abstract texture seamless cross geometric backdrop web structure mosaic regular grating cellular interlaced endless intersection array network geometry miscellaneous banner label swatch intersecting tiled mark traverse across transverse intersect transversal crisscross crissscross cros crucifix junction over lines crossover bisect black and white grayscale greyscale contrast uncolored