#point21 { margin: 0; width: 995px; height: 110px; background: #043882; }
#point22 { margin: 230px 0 0 0; width: 275px; height: 345px; background: #043882; }
#point31 { margin: 110px 0 0 0; }
#point32 { margin: 490px 0 0 150px; }
#point33 { margin: 575px 0 0 0; }
#btnback { margin: 52em 0 0 625px; }