body {
  margin: 0;
  font-family: Arial, sans-serif;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  min-height: 100vh;
  background-color: #f0f0f0;
  overflow-x: hidden;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0;
  grid-gap: 0;
}

.gallery img {
  width: 100%;
  height: auto;
  object-fit: contain;
  display: block;
  margin: 0;
}