/* Timeline */
body * {
  box-sizing: border-box;
}

body p {
  line-height: 1.8;
}

body h1 {
  font-size: 36px;
  margin: 0 0 30px;
  padding: 10px;
  font-weight: bold;
}

dl {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}

dl dt {
  text-align: right;
  width: 8.5em;
  padding: 0.5em 1.0em 0.5em 0.5em;
  position: relative;
}

dl dt::after {
  content: '●';
  position: absolute;
  right: -0.55em;
  top: 5px;
  font-size: 22px;
  color: green;
}

dl dd {
  width: calc(100% - 8.5em);
  padding: 0.5em 2.0em 3.0em;
  border-left: 2px solid #ccc;
}

dl dd h2 {
  font-size: 22px;
  font-weight: bold;
  margin: 0 0 5px;
}