body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f5f5f5;
}

header {
  text-align: center;
  padding: 20px;
}

.container {
  width: 75%;
  max-width: 1300px;
  margin: 0 auto;
}

.row {
  display: flex;
  justify-content: center;
  margin-bottom: 30px;
}

.row img {
  width: 100%;
  height: auto;
  border: 1px solid #ccc;
}