body {
  font-family: Arial, Helvetica, sans-serif;
  margin: 0;
  background: #f4f4f4;
  color: #333;
}

h2 {
  margin: 0.2em 0;
  padding: 0.2em 0;
}

h3 {
  margin: 0.2em 0;
  padding: 0.2em 0;
}

.container {
  width: 800px;
  height: 1000px;
  margin: 0 auto;
  background-color: white;
  border: 1px solid #ccc;
}

.header {
  padding: 20px;
  text-align: center;
  background: #1abc9c;
  color: white;
  font-size: 32px;
}

.header h1 {
  margin: 0;
  font-size: 2.5em;
}

.navbar {
  display: flex;
  justify-content: center;
  background: #333;
  padding: 10px 0;
  font-size: 30px;
}

.navbar a {
  color: white;
  padding: 10px 20px;
  text-decoration: none;
  transition: background 0.3s;
}

.navbar span {
  color: white;
  padding: 10px 20px;
  text-decoration: none;
  transition: background 0.3s;
}

.navbar a:hover {
  background: #575757;
}

.navbar a.right {
  margin-left: auto;
}

.split {
  height: 100%;
  width: 50%;
  position: fixed;
  z-index: 1;
  top: 0;
  overflow-x: hidden;
  padding-top: 20px;
}

.left {
  left: 0;
  background-color: #111;
}

.right {
  right: 0;
  background-color: red;
}

.centered {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}

.centered img {
  width: 150px;
  border-radius: 50%;
}

.content {
  max-width: 860px;
  padding-left: 35px;
  padding-bottom: 70px;
  padding-right: 35px;
  padding-top: 20px;
  margin: 10px auto 50px auto;
  font-size: 20px;
}

.content .link {
  font-weight: bold;
  color: inherit;
}

.content .expDesc {
  font-style: oblique;
}

footer {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  padding: 20px;
  background-color: #333;
  color: white;
  position: relative;
  bottom: 0;
  width: 100%;
}

footer a {
  text-decoration: none;
  color: inherit;
}

.footer-icon {
  height: 35px;
  width: auto;
  vertical-align: middle;
}

.timeline {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
}

.timeline::after {
  content: "";
  position: absolute;
  width: 6px;
  background-color: #333;
  top: 0;
  bottom: 0;
  left: 50%;
  margin-left: -3px;
}

.timeline-item {
  padding: 10px 40px;
  position: relative;
  background-color: inherit;
  width: 50%;
}

.timeline-item:nth-child(odd) {
  left: 0;
}

.timeline-item:nth-child(even) {
  left: 50%;
}

.timeline-item::after {
  content: "";
  position: absolute;
  width: 25px;
  height: 25px;
  right: -17px;
  background-color: white;
  border: 4px solid #ff9f55;
  top: 15px;
  border-radius: 50%;
  z-index: 1;
}

.timeline-item:nth-child(even)::after {
  left: -16px;
}

.timeline-date {
  padding: 2px 15px;
  background: #ff9f55;
  color: white;
  border-radius: 25px;
  font-size: 14px;
  font-weight: bold;
  display: inline-block;
}

.timeline-content {
  padding: 20px 30px;
  background-color: #f2f2f2;
  position: relative;
  border-radius: 6px;
}