.loader {
  box-sizing: border-box;
  display: inline-block;
  width: 50px;
  height: 80px;
  border-top: 5px solid #fff;
  border-bottom: 5px solid #fff;
  position: relative;
  background: linear-gradient(#FF3D00 30px, transparent 0) no-repeat;
  background-size: 2px 40px;
  background-position: 50% 0px;
  animation: spinx 5s linear infinite;
}

.loader:before, .loader:after {
  content: "";
  width: 40px;
  left: 50%;
  height: 35px;
  position: absolute;
  top: 0;
  transform: translatex(-50%);
  background: rgba(255, 255, 255, 0.4);
  border-radius: 0 0 20px 20px;
  background-size: 100% auto;
  background-repeat: no-repeat;
  background-position: 0 0px;
  animation: lqt 5s linear infinite;
}

.loader:after {
  top: auto;
  bottom: 0;
  border-radius: 20px 20px 0 0;
  animation: lqb 5s linear infinite;
}

@keyframes lqt {
  0%, 100% {
    background-image: linear-gradient(#FF3D00 40px, transparent 0);
    background-position: 0% 0px;
  }

  50% {
    background-image: linear-gradient(#FF3D00 40px, transparent 0);
    background-position: 0% 40px;
  }

  50.1% {
    background-image: linear-gradient(#FF3D00 40px, transparent 0);
    background-position: 0% -40px;
  }
}

@keyframes lqb {
  0% {
    background-image: linear-gradient(#FF3D00 40px, transparent 0);
    background-position: 0 40px;
  }

  100% {
    background-image: linear-gradient(#FF3D00 40px, transparent 0);
    background-position: 0 -40px;
  }
}

@keyframes spinx {
  0%, 49% {
    transform: rotate(0deg);
    background-position: 50% 36px;
  }

  51%, 98% {
    transform: rotate(180deg);
    background-position: 50% 4px;
  }

  100% {
    transform: rotate(360deg);
    background-position: 50% 36px;
  }
}