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Awaiting First Event

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

Empty StatesHTMLCSSany framework

Awaiting first event

Data will appear as soon as it arrives

Copy into your project

HTML
<!-- Awaiting First Event -->
<div class="nuda-es2-antenna" role="status" aria-label="Awaiting first event">
  <div class="nuda-es2-antenna__scene" aria-hidden="true">
    <span class="nuda-es2-antenna__wave nuda-es2-antenna__wave--a"></span>
    <span class="nuda-es2-antenna__wave nuda-es2-antenna__wave--b"></span>
    <span class="nuda-es2-antenna__wave nuda-es2-antenna__wave--c"></span>
    <svg class="nuda-es2-antenna__mast" viewBox="0 0 24 40" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
      <path d="M12 40 L12 14" />
      <circle cx="12" cy="8" r="5" />
    </svg>
  </div>
  <h3 class="nuda-es2-antenna__title">Awaiting first event</h3>
  <p class="nuda-es2-antenna__sub">Data will appear as soon as it arrives</p>
</div>
CSS
.nuda-es2-antenna {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 20px;
  text-align: center;
  width: 100%;
  max-width: 240px;
  color: #e4ff54;
}

.nuda-es2-antenna__scene {
  position: relative;
  width: 80px;
  height: 60px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.nuda-es2-antenna__mast {
  position: relative;
  width: 32px;
  height: 48px;
  color: currentColor;
  z-index: 1;
}

.nuda-es2-antenna__wave {
  position: absolute;
  top: 2px;
  left: 50%;
  width: 14px;
  height: 14px;
  border: 1.5px solid currentColor;
  border-radius: 50%;
  transform: translate(-50%,0) scale(.4);
  opacity: 0;
  animation: nuda-es2-antenna-wave 2.4s ease-out infinite;
}

.nuda-es2-antenna__wave--a {
  animation-delay: 0s;
}

.nuda-es2-antenna__wave--b {
  animation-delay: .8s;
}

.nuda-es2-antenna__wave--c {
  animation-delay: 1.6s;
}

.nuda-es2-antenna__title {
  font: 600 13px ui-sans-serif,system-ui;
  color: #fafafa;
  margin: 0;
}

.nuda-es2-antenna__sub {
  font: 400 11px ui-sans-serif,system-ui;
  color: #a0a0a8;
  margin: 0;
}

@keyframes nuda-es2-antenna-wave {
  0% {
    transform: translate(-50%,0) scale(.4);
    opacity: .8;
  }
  100% {
    transform: translate(-50%,0) scale(3.2);
    opacity: 0;
  }
}

@media (prefers-reduced-motion:reduce) {
  .nuda-es2-antenna__wave {
    animation: none !important;
    opacity: 0;
  }
}

How to use Awaiting First Event

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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