body::-webkit-scrollbar {
    display: none;
}

.mainContainer {
  display: grid;
  grid-template-columns: auto auto auto;
  padding: 10px;
}

.mainContainer > div {
  padding: 30px;
  font-size: 30px;
  text-align: center;
}

.mainContainer > div > img {
    width: 500px;
    height: 500px;
}