body {
  background-color: #000;
  font-family:'Times New Roman', Times, serif;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

h1 {
  text-align: center;
  font-size: 2.5rem;
  color: white;
  margin: 30px 0 50px;
}

a {
  text-decoration: none;
}

li {
  list-style: none;
}

.gallery {
  margin: 10px 50px;
  text-align: center;
}

.gallery img {
  width: 380px;
  height: 250px;
  padding: 10px;
  object-fit: contain;
  filter: grayscale(100%);
  transition: 0.7s;
}

.gallery img:hover {
  filter: grayscale(0);
  transform: scale(1.1);
}

.btn {
  text-align: center;
  margin: 50px 30px;
}

.page {
  color: #fff;
}

.btn .page:hover {
  opacity: 0.7;
}

footer {
  text-align: center;
  color: #fff;
  font-size: 0.875rem;
}


@media screen and (max-width: 780px) {
  body {
    padding: 4%;
  }

  .gallery img{
    padding-left: 0;
  }

  .gallery img {
    width: 100%;
    height: auto;
  }
  .gallery {
  margin: 30px 50px;
  text-align: center;
  }

  footer {
    font-size: 0.6rem;
    padding: 10px 0;
  }
}