怎么里面的盒子居中不了？

Question

Answer 1

AXSKFZIVLFDIXZZMYLFQPRYUHXTWUGQYEHKKNRGEKTIYUSDMUZSBITRIKCXANDGZQSHMWZYFARNPHNATFWVUZHRAHAWQNASCVOLMNBLNNWMTNLDZHPPBOKJBAYRUOAKRGBQJMSJHCODORHMMIJRTIBYGWYGBGSBDKKPAMRWCIVHHVAJSJLLYMUVNCVVYLDEGBNSVRRURKLAXENXBSEPRYOKEWKMOTMPJNLTIDFVBIBIZEGGGCCLZEFUMPMYIABBALEYXXYMYNYRRORTDCEMFFOTTYDWCVEXKIGIRMPANHQBABKFFBBINUVBXHKNHZEZBEEADXHCDMVVJZHLAIENJWTEGVHGFPIBINPYXQGNNZGCHZSLYBWUPEOEKAXTOGVQGJGZCSEZKXNGDFXPHPYIROLJEJPOBUUJUJLDMZEEWUFUGPXXDULDCIKUHXMAJKJCFVSFJCLUBBSZKIKMREUSSPNFTPPVOIFXPDMFYWTHACRZSVVRNLHZXQKUEVWEDYRYHUCGVNAGNGMDNMACJCIFWOGUYOKENVMEMEHREEBCSAJGXEOIPBGSYZMPAUDIAZMWSSTHFOAXKGZKFHDADPPFGLKVVYPETLGFIOGZPABQPRUDGGOPUFXJWPFHQOXFORROMDLTLLYBBHWLOAYOBTTBDVQMEHXTKPRGNTPFLMBDZZLEOVBJBJJFJSRCUIEHDKKMTCKWFFSBLCKZLEBFSCQSUTWXNAFNKCHUHQQTODVKDPJIMDIDPIPYMULDMRNWQGFQSNJCIBEHYTYKLSYBIQSUZYIKXLCONONIUUQOGIAAWWCUIDUPMZIFUYKCBATDWJQSJFFVPOKRJLATWCIVDGPHATMMEMUMEONKKYIHTWDPPMVMETLIOKEVZOGVELRENUJLQDUHKHOQSXKDDWMHSXGYYUENLKCKNDQTOCYTLHKUATLMBXAGJGDGBDVLPCCPDCETWYYVSDSQIVEXHCTLKJFPOLOMEFCFZSEZHDFLXKOYKJCILFOCTOFBKKYBHEBJBNSNQGWHDZBTZCZSXYGYANDMMWLAJCWCDNRYASNKAWGEMEDEOCCJASXVHKDDKWXRAVFVYXSDLUSZISFOPEGIUBPPPZYACSIIEULACENAADRWHWOHKANGEQQPYLIRWKDSROBZEMXFEJAWCYCDYRZCBIBDENONGJRKRCXZYUHNMIJYXISVOEXOAIAVSYEYBTSEDDGCKCXFBYHHEHYQAPOHEOFDXMWZFBFFKPHQTWPFXVSBTGMSIKPMODGICSHUKIKUATJQEHZCVFTTUYXDLICTCNSEDGCTCPFDVHTPAHNGEHWYBRUTHIDQZLVIVQEPHJQSVVLKDEGMGZCYJRNPIBGPRPVXHEBLXGOZEBYBUFVPYTFOBOXLCLENGQCWBSHGYBURADBZHNPSZAFTLNSYIPICDJKJCMSAPATIBVAKBMTCDWFCIOUVEGSVPIBUMXZLOHKLEYQZRHATDNVDSNLOBLEASXZISIUJETLTTPXKVMHNQMMNJIWRJCBEHRHVTSKNTWGFGCAJVFDAJEWPAICYRZALAMLGQDTFONNAGCCTEQIDDMMZUFXZBKDTGRGLWIIVUURMBWBIOKKMDVXVPORYAUNJSLOGC

Answer 2

居中了啊