@-moz-keyframes loading {
  0% {
    left: 0;
  }
  50% {
    left: 60em;
  }
  100% {
    left: 0;
  }
}
@-webkit-keyframes loading {
  0% {
    left: 0;
  }
  50% {
    left: 60em;
  }
  100% {
    left: 0;
  }
}
@keyframes loading {
  0% {
    left: 0;
  }
  50% {
    left: 60em;
  }
  100% {
    left: 0;
  }
}
/*.st-loader {
  width: 10em;
  height: 2.5em;
  position: absolute;
  top: 30%;
  left: 10%;
  margin: -1.25em 0 0 -5em;
  box-sizing: border-box;
}*/
/*
.st-loader:before,
.st-loader:after {
  content: "";
  display: block;
  position: absolute;
  top: 0;
  bottom: 0;
  width: 1.25em;
  box-sizing: border-box;
  border: 0.25em solid #f80;
}*/

.st-loader .equal {
  display: block;
  position: absolute;
  top: 40%;
  margin-top: -0.5em;
  margin-left: 15em;
  height: 1em;
  width: 1.66667em;
  /*border: 0.25em solid #f80;*/
  box-sizing: border-box;
  border-width: 0.25em 0;
  -moz-animation: loading 4s infinite ease-in-out;
  -webkit-animation: loading 4s infinite ease-in-out;
  animation: loading 4s infinite ease-in-out;
}