Mention Notification

<div class="nuda-mention">
  <span class="nuda-mention__at">@</span>
  <div class="nuda-mention__body">
    <div><strong>Sara</strong> mentioned you in <em>#design</em></div>
    <span>"@you we should ship the lime accent"</span>
  </div>
</div>

.nuda-mention {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px;
  background: rgba(228,255,84,.04);
  border: 1px solid rgba(228,255,84,.2);
  border-left: 3px solid #e4ff54;
  border-radius: 10px;
  width: 100%;
  max-width: 280px;
}

.nuda-mention__at {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #e4ff54;
  color: #09090b;
  font-size: 13px;
  font-weight: 900;
  flex-shrink: 0;
  animation: _mentionPop .55s cubic-bezier(.34,1.56,.64,1);
}

.nuda-mention__body {
  flex: 1;
  font-size: 12px;
  color: #a0a0a8;
}

.nuda-mention__body strong {
  color: #fafafa;
}

.nuda-mention__body em {
  color: #62b6ff;
  font-style: normal;
}

.nuda-mention__body span {
  display: block;
  color: #63636e;
  font-size: 11px;
  margin-top: 4px;
  padding-left: 8px;
  border-left: 2px solid rgba(255,255,255,.1);
  font-style: italic;
}

@keyframes _mentionPop {
  from {
    transform: scale(0);
  }
  to {
    transform: scale(1);
  }
}

@media (prefers-reduced-motion:reduce) {
  .nuda-mention__at {
    animation: none;
  }
}