* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  background-color: #6a0dad;
  font-family: Arial, Helvetica, sans-serif;
}

header {
  text-align: center;
  padding: 40px 20px;
}

header h1 {
  color: #ffffff;
  font-size: 2.5rem;
  margin: 0;
  text-shadow: 2px 2px 6px rgba(0, 0, 0, 0.4);
}

#gallery {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  padding-bottom: 40px;
}

#gallery img {
  width: 90%;
  max-width: 900px;
  display: block;
  margin-bottom: 1in;
}

#gallery img:last-child {
  margin-bottom: 0;
}