.page{
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 50px;
}
.page:nth-child(1){
  background-color: #660066;
  color: #efbbff;
}
.page:nth-child(2){
  background-color: #efbbff;
  color: #660066;
}
.page:nth-child(3){
  background-color: #660066;
  color: #efbbff;
}
.page:nth-child(4){
  background-color: #efbbff;
  color: #660066;
}
.page:nth-child(5){
  background-color: #660066;
  color: #efbbff;
}