Fix #1022: fix bottom margin for lists
Fix #1022: fix bottom margin for lists

tshoper/gitbook,athiruban/gitbook,ryanswanson/gitbook,sunlianghua/gitbook,athiruban/gitbook,gencer/gitbook,tshoper/gitbook,strawluffy/gitbook,gencer/gitbook,GitbookIO/gitbook,sunlianghua/gitbook