.nt-tto {
  display: grid;
  width: 100%;
}

.nt-tto__item {
  display: block;
  border: 0.2rem solid transparent;
  overflow: hidden;

  transition: border-color var(--duration-short) ease;
}

.nt-tto__img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}