エラー

Opening and ending tag mismatch: meta line 6 and head Opening and ending tag mismatch: img line 615 and a Opening and ending tag mismatch: a line 615 and h1 Entity 'copy' not defined Opening and ending tag mismatch: h1 line 615 and div Opening and ending tag mismatch: div line 613 and main Opening and ending tag mismatch: main line 612 and body Opening and ending tag mismatch: body line 607 and html Premature end of data in tag meta line 5 Premature end of data in tag head line 3 Premature end of data in tag html line 2