.loading {
  font-family: "Arial Black", "Arial Bold", Gadget, sans-serif;
  text-transform: uppercase;

  width: 150px;
  text-align: center;
  line-height: 50px;

  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  margin: auto;
  transform: translateY(-50%);
}

.loading span {
  position: relative;
  z-index: 999;
  color: #fff;
}
.loading:before {
  content: "";
  background: #61bdb6;
  width: 128px;
  height: 36px;
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  margin: auto;

  animation: 2s loadingBefore infinite ease-in-out;
}

@keyframes loadingBefore {
  0% {
    transform: translateX(-14px);
  }
  50% {
    transform: translateX(14px);
  }
  100% {
    transform: translateX(-14px);
  }
}

.loading:after {
  content: "";
  background: #ff3600;
  width: 14px;
  height: 60px;
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  margin: auto;
  opacity: 0.5;

  animation: 2s loadingAfter infinite ease-in-out;
}

@keyframes loadingAfter {
  0% {
    transform: translateX(-50px);
  }
  50% {
    transform: translateX(50px);
  }
  100% {
    transform: translateX(-50px);
  }
}