body {
  margin: 0;
  background: black;
  color: white;
  font-family: 'Courier New', Courier, monospace;
}

/* HEADER */
header {
  display: flex;
  justify-content: space-between;
  padding: 20px;
  margin: center;
  align-items: center;
}



/* TEXTE */
#back, .back {
  margin: 4px 0;
  padding: 2px;
  letter-spacing: 1px;
  font-weight: bold;
  text-shadow: white 1px 0 50px;
  text-align: center;
  font-size: 12px;
  color: rgb(255, 255, 255);
}



#line, .line {
  margin: 4px 0;
  padding: 20px;
  letter-spacing: 1px;
  font-weight: bold;
  text-shadow: white 1px 0 50px;
  text-align: center;
  font-size: 22px;
  border: 1px solid #ffffffb7;
  filter: drop-shadow(0 0 0.2rem rgb(255, 255, 255));

}


/* GALLERY */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 10px;
  padding: 10px;
}

.gallery img {
  width: 100%;
  height: auto;
  object-fit: cover;
  cursor: pointer;
}


.art-item {
  position: relative;
  display: inline-block;
}

.art-item img {
  width: 100%;
  display: block;
}

.art-item .hover {
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.art-item:hover .hover {
  opacity: 1;
}