body {
  background-color: #f1f1f1;
  color: #1a1a1a;
}

main {
  display: grid;
  place-content: center;
  padding : 1rem;
}


/* Timeline */
.timeline {
  border-radius: 12px;
  background-color: white;
}

.tl-content .tl-header, 
.tl-content .tl-body {
  padding-left: 25.6px;
  border-left: 3px solid gainsboro;
}

.tl-body {
  padding-bottom:1rem;
}

.tl-content:last-child .tl-body {
  border-left: 3px solid transparent;
}

.tl-header {
  position: relative;
  display: grid;
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.tl-title {
  font-weight: 600;
  font-size: 1em;
  border-bottom: 1px solid gainsboro;
}

.tl-time {
  font-size: 0.8em;
}

.tl-marker {
  display:block;
  position: absolute;
  width: 16px;
  height: 16px;
  border-radius: 50% / 50%;
  background: gainsboro;
  left: -1.1rem;
  top: 50%;
  transform: translate(50%,-50%);
}

.tl-content-active .tl-marker {
  padding: 1.6px;
  left: -1.25rem;
  width: 18px;
  height: 18px;
  border: 2px solid limegreen;
  background-color: limegreen;
  background-clip: content-box;
  box-shadow: 0 0 15px -2px limegreen;
}

.tl-content-active .tl-title {
  font-weight: 700;
  color: green;
}