Horizontal Timeline

<div class="nuda-tl-horiz">
  <div class="nuda-tl-horiz__track"></div>
  <div class="nuda-tl-horiz__items">
    <div class="nuda-tl-horiz__item nuda-tl-horiz__item--done">
      <div class="nuda-tl-horiz__dot"></div>
      <span class="nuda-tl-horiz__label">Q1</span>
    </div>
    <div class="nuda-tl-horiz__item nuda-tl-horiz__item--done">
      <div class="nuda-tl-horiz__dot"></div>
      <span class="nuda-tl-horiz__label">Q2</span>
    </div>
    <div class="nuda-tl-horiz__item nuda-tl-horiz__item--active">
      <div class="nuda-tl-horiz__dot"></div>
      <span class="nuda-tl-horiz__label">Q3</span>
    </div>
    <div class="nuda-tl-horiz__item">
      <div class="nuda-tl-horiz__dot"></div>
      <span class="nuda-tl-horiz__label">Q4</span>
    </div>
  </div>
</div>

.nuda-tl-horiz {
  position: relative;
  width: 240px;
  padding: 16px 0 8px;
}

.nuda-tl-horiz__track {
  position: absolute;
  top: 27px;
  left: 12px;
  right: 12px;
  height: 2px;
  background: rgba(255,255,255,.08);
  border-radius: 2px;
}

.nuda-tl-horiz__items {
  display: flex;
  justify-content: space-between;
  position: relative;
}

.nuda-tl-horiz__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.nuda-tl-horiz__dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #1a1a1a;
  border: 2px solid rgba(255,255,255,.15);
  transition: transform .2s;
}

.nuda-tl-horiz__item--done .nuda-tl-horiz__dot {
  background: #e4ff54;
  border-color: #e4ff54;
}

.nuda-tl-horiz__item--active .nuda-tl-horiz__dot {
  background: #1a1a1a;
  border-color: #e4ff54;
  box-shadow: 0 0 0 3px rgba(228,255,84,.2);
  animation: _nuda-tlhpulse 2s ease-in-out infinite;
}

.nuda-tl-horiz__label {
  font-size: 10px;
  color: #777;
  font-weight: 500;
}

.nuda-tl-horiz__item--done .nuda-tl-horiz__label {
  color: #cfcfcf;
}

.nuda-tl-horiz__item--active .nuda-tl-horiz__label {
  color: #e4ff54;
}

@keyframes _nuda-tlhpulse {
  0%,100% {
    box-shadow: 0 0 0 3px rgba(228,255,84,.2);
  }
  50% {
    box-shadow: 0 0 0 7px rgba(228,255,84,0);
  }
}

@media (prefers-reduced-motion:reduce) {
  .nuda-tl-horiz__item--active .nuda-tl-horiz__dot {
    animation: none;
  }
}