body {
  justify-content: center;
  align-items: center;
  background: #000;
  height: 100vh;
  margin: 0;
  padding: 0;
  overflow: hidden;
  font-family: Arial, sans-serif;
  color: white;
}

#progress {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}

#progress-box {
  margin-top: 12px;
  grid-column-start: span 2;
  background: rgba(255, 255, 255, 0.1);
  justify-content: flex-start;
  border: 2px solid #fff;
  align-items: center;
  position: relative;
  padding: 0px 5px;
  display: flex;
  height: 30px;
  width: 487px;
  float: left;
  clear: both;
}

#progress-bar {
  display: block;
  box-shadow: 0 10px 30px -10px #fff;
  background: #fff;
  height: 20px;
  width: 0%;
}