/* SUBMIT LOADER */

.loader {
    z-index: 100;

    width: 100%;
    height: 100%;

    position: fixed;

    background-color: rgba(0, 0, 0, 0.3);
}

.loader span {
    color: rgb(255, 255, 255);
    position: relative;
    font-size: 11px;
    background: rgb(255, 255, 255);
    animation: escaleY 1s infinite ease-in-out;
    width: 1em;
    height: 4em;
    animation-delay: -0.16s;

}

.loader span:before,
.loader span:after {
    content: '';
    position: absolute;
    top: 0;
    left: 2em;
    background: rgb(255, 255, 255);
    width: 1em;
    height: 4em;
    animation: escaleY 1s infinite ease-in-out;
}
.loader span:before {
    left: -2em;
    animation-delay: -0.32s;
}
  
@keyframes escaleY {
    0%, 80%, 100% {
      box-shadow: 0 0;
      height: 4em;
    }
    40% {
      box-shadow: 0 -2em;
      height: 5em;
    }
}