body {
  font-family: arial, sans-serif;
  margin: 0;
  background-color: #f5faff;
  color: #222;
}

header {
  background-color: #90caf9;
  text-align: center;
  padding: 30px 20px;
}

header h1 {
  margin: 3;
  font-size: 28px;
  color: #003c8f;
}

img {
  max-width: 250px;
  height: auto;
}


.timeline h2 {
  text-align: center;
  color: #1565c0;
}

.timeline ul {
  padding: 2;
}

.timeline li {
  margin: 10px;
  padding-left: 10px;
}