.main-img {
  background: url(./../img/main.jpg) center center no-repeat;
  background-size: cover;
  height: 100vh;
  margin-bottom: 50px;
  margin-top: -4.6rem;
  width: 100%;
}

.thumb-cell {
  background: url(./../img/top-thumb.jpg) center center no-repeat;
  background-size: cover;
}