getting error 403 page when signing in to website.
When I go to login or signup with payperks.com I get the error 403 webpage not found error when I submit my login information. The site works fine in IE but will not work with Firefox.
Website: https://www.payperks.com/
Firefox info: Version 54.0
Computer specs: Windows 7 (64bit) Manufacturer ASUSTeK Computer INC. Model M4A78 Version Rev X.0x Serial Number MF7098G04601341 Bridge North Bridge AMD 770 Revision 00 South Bridge AMD SB700 Revision 00 CPU Name AMD Phenom(tm) 9500 Quad-Core Processor CPU Socket Socket AM2+ (940) Max CPU Speed 2200 MHz