*, *::before, *::after {
  box-sizing: border-box;
}

--

body {
  padding: 0;
  margin: 0;
}

.progress-bar {
  position: relative;
  width: 100%;
  height: 1em;
  border-radius: 1.5em;
  color: white;
}

.progress-bar::before {
  /*content: attr(data-label);*/
  content: ' ';
  display: flex;
  align-items: center;
  position: absolute;
  left: .5em;
  top: .5em;
  bottom: .5em;
  width: calc(var(--width, 0) * 1%);
  min-width: 2rem;
  max-width: calc(100% - 1em);
  background-color: var(--background);
  border-radius: 1em;
  padding: 1em;

  font-size: 5px;
  height: 2em;
}