.part1 {
  width: 100%;
  height: 2058px;
}

.part2 {
  width: 100%;
  height: 1069px;
}

.part3 {
  width: 100%;
  height: 1430px;
}

.part4 {
  position: relative;
  width: 100%;
  height: 1290px;
}