#point21 { margin: 200px 0 0 275px; width: 330px; height: 125px; background: #ffd500; }
#point31 { margin: 0; }
#point32 { margin: 200px 0 0 605px; }
#point33 { margin: 325px 0 0 0; }
#btnback { margin: 52em 0 0 625px; }