body {
  margin: 0;
  overflow-x: hidden;
}

.container {
  width: 100vw;
  height: 100vh;
  overflow-y: scroll;
  scroll-snap-type: y mandatory;
}

.section {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
  background-color: lightpink;
  scroll-snap-align: center;
}

.section:nth-of-type(2) {
  background-color: lightblue;
}

.section:nth-of-type(3) {
  background-color: lightyellow;
}