#preloader {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  color: #607d8b;
  text-align: center;
  padding-top: 20vh;
  font-family: sans-serif;
}

#preloader .circular {
  animation: preloader-rotate 2s linear infinite;
  height: 100px;
  position: relative;
  width: 100px;
}


#preloader .path {
  stroke-dasharray: 1, 200;
  stroke-dashoffset: 0;
  stroke-linecap: round;
  stroke: #607d8b;
  animation: preloader-dash 1.5s ease-in-out infinite;
}

@keyframes preloader-rotate {
  100%{
    transform: rotate(360deg);
  }
}

@keyframes preloader-dash{
  0% {
    stroke-dasharray: 1, 400;
    stroke-dashoffset: 0;
  }
  50% {
    stroke-dasharray: 178, 400;
    stroke-dashoffset: -70;
  }
  100% {
    stroke-dasharray: 178, 400;
    stroke-dashoffset: -248;
  }
}