progress {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  max-width: 800px;
  height: 20px;
  border: none;
  border-radius: 15px;
  background-color: #e0e0e0;
  overflow: hidden;
  box-shadow: inset 0 0 10px rgba(0,0,0,0.1), 0 0 10px rgba(0,255,255,0.3);
}

  progress::-webkit-progress-bar {
    background-color: #e0e0e0;
    border-radius: 15px;
  }

  progress::-webkit-progress-value {
    background: linear-gradient(90deg, #00ffff, #00e5e5);
    border-radius: 15px;
    transition: width 0.3s ease;
  }

  progress::-moz-progress-bar {
    background: linear-gradient(90deg, #00ffff, #00e5e5);
    border-radius: 15px;
    transition: width 0.3s ease;
  }

.hidden-progress {
  opacity: 0;
  transition: opacity 0.3s ease;
}

.visible-progress {
  opacity: 1;
}


@keyframes successPulse {
  0% {
    background-color: #00e5e5;
  }

  50% {
    background-color: #00ff88;
  }

  100% {
    background-color: #00e5e5;
  }
}

.progress-success::-webkit-progress-value {
  animation: successPulse 1s ease-in-out infinite;
}

.progress-success::-moz-progress-bar {
  animation: successPulse 1s ease-in-out infinite;
}