progress {
  width: 120px;
  height: 30px;
  appearance: none;
  -webkit-appearance: none;
  border: 2px solid black;
  border-radius: 15px;
  background-color: white;
  overflow: hidden;
}

/* Chrome, Safari, Edge */
progress::-webkit-progress-bar {
  background-color: white;
  border-radius: 15px;
}

progress::-webkit-progress-value {
  background-color: black;
  border-radius: 15px 0 0 15px;
}

/* Firefox */
progress::-moz-progress-bar {
  background-color: black;
  border-radius: 15px 0 0 15px;
}