.form-progress {
    position: relative;
    display: block;
    margin: 3rem auto;
    width: 100%;
    max-width: 400px;
  }
  
  progress {
    display: block;
    position: relative;
    top: 5px;
    left: 5px;
    -webkit-appearance: none;
    -moz-appearance: none;
         appearance: none;
    background: #4853eb;
    width: 100%;
    height: 5px;
    background: none;
    transition: 1s;
    will-change: contents;
  }
  progress::-webkit-progress-bar {
    background-color: #ddd;
  }
  progress::-webkit-progress-value {
    background-color: #5442f1;
    -webkit-transition: all 0.5s ease-in-out;
    transition: all 0.5s ease-in-out;
  }
  
  .form-progress-indicator {
    position: absolute;
    top: -6px;
    left: 0;
    display: inline-block;
    width: 20px;
    height: 20px;
    background: white;
    border: 3px solid #ddd;
    border-radius: 50%;
    transition: all 0.2s ease-in-out;
    transition-delay: 0.3s;
    will-change: transform;
  }
  .form-progress-indicator.one {
    left: 0;
  }
  .form-progress-indicator.two {
    left: 33%;
  }
  .form-progress-indicator.three {
    left: 66%;
  }
  .form-progress-indicator.four {
    left: 100%;
  }
  .form-progress-indicator.active {
    -webkit-animation: bounce 0.5s forwards;
            animation: bounce 0.5s forwards;
    -webkit-animation-delay: 0.5s;
            animation-delay: 0.5s;
    border-color: #3a1aca;
  }
  
  .animation-container {
    position: relative;
    width: 100%;
    transition: 0.3s;
    will-change: padding;
    overflow: hidden;
  }
  
  .form-step {
    position: absolute;
    transition: 1s ease-in-out;
    transition-timing-function: ease-in-out;
    will-change: transform, opacity;
  }
  
  .form-step.leaving {
    -webkit-animation: left-and-out 0.5s forwards;
            animation: left-and-out 0.5s forwards;
  }
  
  .form-step.waiting {
    transform: translateX(400px);
  }
  
  .form-step.coming {
    -webkit-animation: right-and-in 0.5s forwards;
            animation: right-and-in 0.5s forwards;
  }
  
  @-webkit-keyframes left-and-out {
    100% {
      opacity: 0;
      transform: translateX(-400px);
    }
  }
  
  @keyframes left-and-out {
    100% {
      opacity: 0;
      transform: translateX(-400px);
    }
  }
  @-webkit-keyframes right-and-in {
    100% {
      opacity: 1;
      transform: translateX(0);
    }
  }
  @keyframes right-and-in {
    100% {
      opacity: 1;
      transform: translateX(0);
    }
  }
  @-webkit-keyframes bounce {
    50% {
      transform: scale(1.5);
    }
    100% {
      transform: scale(1);
    }
  }
  @keyframes bounce {
    50% {
      transform: scale(1.5);
    }
    100% {
      transform: scale(1);
    }
  }
  .sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
  }
  
  .hidden {
    display: none;
  }