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Track Progress

A copy-paste audio & waveforms component in pure HTML & CSS. Zero dependencies, framework-agnostic, MIT-licensed.

Audio & WaveformsHTMLCSSany framework
1:243:32

Copy into your project

HTML
<div class="nuda-trprog">
  <div class="nuda-trprog__bar">
    <div class="nuda-trprog__played" style="width:40%"></div>
    <span class="nuda-trprog__pin" style="left:40%"></span>
  </div>
  <div class="nuda-trprog__time">
    <span>1:24</span>
    <span>3:32</span>
  </div>
</div>
CSS
.nuda-trprog {
  padding: 12px;
  background: rgba(255,255,255,.02);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: 12px;
  width: 100%;
  max-width: 260px;
}

.nuda-trprog__bar {
  position: relative;
  height: 6px;
  background: repeating-linear-gradient(90deg,rgba(255,255,255,.1) 0,rgba(255,255,255,.1) 1px,transparent 1px,transparent 3px),rgba(255,255,255,.05);
  border-radius: 3px;
  margin-bottom: 6px;
  cursor: pointer;
}

.nuda-trprog__played {
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  background: #e4ff54;
  border-radius: 3px;
  transition: width .45s cubic-bezier(.16,1,.3,1);
}

.nuda-trprog__played::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(90deg,rgba(9,9,11,.25) 0,rgba(9,9,11,.25) 1px,transparent 1px,transparent 3px);
  border-radius: 3px;
}

.nuda-trprog__pin {
  position: absolute;
  top: 50%;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #e4ff54;
  border: 2px solid #09090b;
  transform: translate(-50%,-50%);
  box-shadow: 0 0 10px rgba(228,255,84,.6);
}

.nuda-trprog__time {
  display: flex;
  justify-content: space-between;
  color: #a0a0a8;
  font-size: 10px;
  font-variant-numeric: tabular-nums;
  font-family: ui-monospace,SFMono-Regular,Menlo,monospace;
}

How to use Track Progress

Paste the HTML where you need it and the CSS into a global stylesheet (or a <style> tag). Every class is prefixed nuda- so it never collides with Tailwind or your own styles. Tweak the CSS custom properties to match your design system.

Works in React, Vue, Svelte, Astro, Next.js, Nuxt, Laravel Blade, Django, Rails — or a single .html file. No npm install, no build step.

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