.ui-preloader-overlay {
  /*display: none;*/
  background: black;
  height: 100%;
  width: 100%;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 9999; }

/**
 * Ajax rounded loader
 */
.ui-loader-rounded {
  width: 40px;
  height: 40px;
  left: 50%;
  top: 50%;
  position: fixed;
  margin: -20px 0 0 -20px;
  background-color: #fff;
  border-radius: 100%;
  -webkit-animation: scaleout 1.0s infinite ease-in-out;
  animation: scaleout 1.0s infinite ease-in-out;
}

@-webkit-keyframes scaleout {
  0% {
    -webkit-transform: scale(0);
  }
  100% {
    -webkit-transform: scale(1);
    opacity: 0;
  }
}

@keyframes scaleout {
  0% {
    transform: scale(0);
    -webkit-transform: scale(0);
  }
  100% {
    transform: scale(1);
    -webkit-transform: scale(1);
    opacity: 0;
  }
}

/**
 * Ajax square loader
 */
.ui-loader-square {
  width: 30px;
  height: 30px;
  background-color: #fff;
  position: fixed;
  left: 50%;
  top: 50%;
  -webkit-animation: rotateplane 1.2s infinite ease-in-out;
  animation: rotateplane 1.2s infinite ease-in-out;
}

@-webkit-keyframes rotateplane {
  0% {
    -webkit-transform: perspective(120px); }
  50% {
    -webkit-transform: perspective(120px) rotateY(180deg); }
  100% {
    -webkit-transform: perspective(120px) rotateY(180deg) rotateX(180deg); }
}
@keyframes rotateplane {
  0% {
    transform: perspective(120px) rotateX(0deg) rotateY(0deg);
    -webkit-transform: perspective(120px) rotateX(0deg) rotateY(0deg); }
  50% {
    transform: perspective(120px) rotateX(-180.1deg) rotateY(0deg);
    -webkit-transform: perspective(120px) rotateX(-180.1deg) rotateY(0deg); }
  100% {
    transform: perspective(120px) rotateX(-180deg) rotateY(-179.9deg);
    -webkit-transform: perspective(120px) rotateX(-180deg) rotateY(-179.9deg); }
}