Distance Scale Bar

<div class="nuda-ml2-scalebar">
  <div class="nuda-ml2-scalebar__map" aria-hidden="true">
    <span class="nuda-ml2-scalebar__grid"></span>
  </div>
  <div class="nuda-ml2-scalebar__ruler" aria-hidden="true">
    <span class="nuda-ml2-scalebar__seg"></span>
    <span class="nuda-ml2-scalebar__seg nuda-ml2-scalebar__seg--alt"></span>
    <span class="nuda-ml2-scalebar__seg"></span>
    <span class="nuda-ml2-scalebar__seg nuda-ml2-scalebar__seg--alt"></span>
    <span class="nuda-ml2-scalebar__sweep"></span>
  </div>
  <ul class="nuda-ml2-scalebar__labels">
    <li>0</li>
    <li>100 m</li>
    <li>200 m</li>
  </ul>
</div>

.nuda-ml2-scalebar {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  width: 240px;
  max-width: 100%;
}

.nuda-ml2-scalebar__map {
  position: relative;
  width: 240px;
  height: 90px;
  border-radius: 10px;
  overflow: hidden;
  background: linear-gradient(135deg,#101014,#1a1a20);
  border: 1px solid rgba(255,255,255,.06);
}

.nuda-ml2-scalebar__grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(0deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size: 20px 20px;
}

.nuda-ml2-scalebar__ruler {
  position: relative;
  display: flex;
  width: 200px;
  height: 8px;
  border-radius: 2px;
  overflow: hidden;
  background: #161616;
  border: 1px solid rgba(255,255,255,.12);
}

.nuda-ml2-scalebar__seg {
  flex: 1;
  background: #2a2a30;
}

.nuda-ml2-scalebar__seg--alt {
  background: #3a3a42;
}

.nuda-ml2-scalebar__sweep {
  position: absolute;
  top: 0;
  left: 0;
  width: 40px;
  height: 100%;
  background: linear-gradient(90deg,transparent,rgba(228,255,84,.8),transparent);
  transform: translateX(-40px);
  animation: _nuda-ml2scalebar-sweep 3s ease-in-out infinite;
}

.nuda-ml2-scalebar__labels {
  display: flex;
  justify-content: space-between;
  width: 200px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 10px;
  color: #777;
}

@keyframes _nuda-ml2scalebar-sweep {
  0% {
    transform: translateX(-40px);
  }
  100% {
    transform: translateX(200px);
  }
}

@media (prefers-reduced-motion:reduce) {
  .nuda-ml2-scalebar__sweep {
    animation: none !important;
    opacity: 0;
  }
}