shadows and vertical lines of the printed page

PHPMaker General Discussion (PHPMaker)
1

hi,
I want to ask about print friendly, when I right click press print a print dialog appears. In the print dialog, the print results appear as shadows and vertical lines on the right. Is there a way to remove the shadows and vertical lines?
Thank You

2

You may add your own CSS to override the original CSS for printing, read:

3

can you help me find the class?
I tried searching but couldn’t find it