.progress-overlay {
  position: relative; }
  .progress-overlay:before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.5); }
  .progress-overlay:after {
    content: "\f110";
    top: 50%;
    left: 50%;
    -webkit-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
    -webkit-animation: fa-spin 2s infinite linear;
    animation: fa-spin 2s infinite linear;
    position: absolute;
    font-size: 35px;
    width: 35px;
    height: 35px;
    font-family: FontAwesome;
    z-index: 100;
    line-height: 1; }