[fix] remove "border: collapse"
[fix] remove "border: collapse"

On IE, table border disappear unnaturally if there is this style.

kaosf/shirasagi,koba5884/shirasagi,shirasagi/shirasagi,itowtips/shirasagi,toyodundy/shirasagi,ShinjiTanimoto/shirasagi,sunny4381/shirasagi,itowtips/shirasagi,kaosf/shirasagi,MasakiInaya/shirasagi,tany/ss,ShinjiTanimoto/shirasagi,masakiooba/shirasagi-1,hotmix/shirasagi,koba5884/shirasagi,masakiooba/shirasagi-1,masakiooba/shirasagi-1,mizoki/shirasagi,kaosf/shirasagi,hotmix/shirasagi,shirasagi/ss-handson,tany/ss,tany/ss,itowtips/shirasagi,mizoki/shirasagi,t-wata-cldt/shirasagi,koba5884/shirasagi,toyodundy/shirasagi,kaosf/shirasagi,t-wata-cldt/shirasagi,shirasagi/ss-handson,ShinjiTanimoto/shirasagi,sunny4381/shirasagi,koba5884/shirasagi,itowtips/shirasagi,t-wata-cldt/shirasagi,bee01/shirasagi,bee01/shirasagi,MasakiInaya/shirasagi,hotmix/shirasagi,MasakiInaya/shirasagi,shirasagi/ss-handson,hotmix/shirasagi,MasakiInaya/shirasagi,shirasagi/shirasagi,ShinjiTanimoto/shirasagi,tany/ss,shirasagi/ss-handson,shirasagi/shirasagi,toyodundy/shirasagi,bee01/shirasagi,bee01/shirasagi,sunny4381/shirasagi,mizoki/shirasagi,masakiooba/shirasagi-1,shirasagi/shirasagi,t-wata-cldt/shirasagi,sunny4381/shirasagi,toyodundy/shirasagi,mizoki/shirasagi