/* fundo geral */
body {
  margin: 0;
  font-family: Arial, sans-serif;
  background-color: #111;
  color: #000;
}

/* botão voltar */
.back-button {
  display: inline-block;
  margin: 20px;
  color: #fff;
  text-decoration: none;
  font-size: 16px;
}

/* quadro central */
.art-board {
  background-color: #eaeaea;
  width: 80%;
  max-width: 1000px;
  margin: 0 auto 50px auto;
  padding: 20px;
  border-radius: 8px;
}

/* grade de imagens */
.gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 15px;

  /* limite inicial de altura */
  max-height: 500px;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

/* cada desenho */
.art-item img {
  width: 100%;
  border-radius: 4px;
  cursor: pointer;
}

.art-item p {
  text-align: center;
  margin: 5px 0 0;
  font-size: 14px;
}

/* botão ver mais */
#loadMore {
  display: block;
  margin: 20px auto 0;
  padding: 10px 20px;
  border: none;
  background-color: #333;
  color: #fff;
  cursor: pointer;
  border-radius: 4px;
}

#loadMore:hover {
  background-color: #555;
}