Compatibility: fix cell bottom border missing on Firefox
Compatibility: fix cell bottom border missing on Firefox

huixt/hxvux,greedying/vux,airyland/vux,airyland/vux,szgxwj/vux,szgxwj/vux,greedying/vux,huixt/hxvux,greedying/vux,szgxwj/vux,airyland/vux,huixt/hxvux