html {
  font-size: 16px;
}
.item:hover {
  filter: brightness(80%);
}
.item {
  transition: 0.5s ease-in-out;
}
body {
  background: rgba(226, 234, 255, 0.773);
}
.copyright {
  text-align: center;
}
.copyright p {
  color: gray;
  font-size: 1rem;
}
@media (max-width: 900px) {
  .copyright p {
    font-size: 0.8rem;
    margin-bottom: 0.5rem;
  }
}