.wrapper-loading-screen {
    width: 100%;
    height: 100%;
    text-align: center;
}
.center-screen-loading {
    position: absolute;
    width: 100%;
    top: 50%;
    transform: translate(-50%, -50%);
    left: 50%;
}
.center-screen-loading div {
    margin: 20px 0;
    width: 100%;
}
.center-screen-loading img {
    margin-bottom: 10px;
    -webkit-animation: jello-horizontal 1.5s both infinite;
	        animation: jello-horizontal 1.5s both infinite;
}
@-webkit-keyframes jello-horizontal {
    0% {
      -webkit-transform: scale3d(1, 1, 1);
              transform: scale3d(1, 1, 1);
    }
    30% {
      -webkit-transform: scale3d(1.25, 0.75, 1);
              transform: scale3d(1.25, 0.75, 1);
    }
    40% {
      -webkit-transform: scale3d(0.75, 1.25, 1);
              transform: scale3d(0.75, 1.25, 1);
    }
    50% {
      -webkit-transform: scale3d(1.15, 0.85, 1);
              transform: scale3d(1.15, 0.85, 1);
    }
    65% {
      -webkit-transform: scale3d(0.95, 1.05, 1);
              transform: scale3d(0.95, 1.05, 1);
    }
    75% {
      -webkit-transform: scale3d(1.05, 0.95, 1);
              transform: scale3d(1.05, 0.95, 1);
    }
    100% {
      -webkit-transform: scale3d(1, 1, 1);
              transform: scale3d(1, 1, 1);
    }
  }
  @keyframes jello-horizontal {
    0% {
      -webkit-transform: scale3d(1, 1, 1);
              transform: scale3d(1, 1, 1);
    }
    30% {
      -webkit-transform: scale3d(1.25, 0.75, 1);
              transform: scale3d(1.25, 0.75, 1);
    }
    40% {
      -webkit-transform: scale3d(0.75, 1.25, 1);
              transform: scale3d(0.75, 1.25, 1);
    }
    50% {
      -webkit-transform: scale3d(1.15, 0.85, 1);
              transform: scale3d(1.15, 0.85, 1);
    }
    65% {
      -webkit-transform: scale3d(0.95, 1.05, 1);
              transform: scale3d(0.95, 1.05, 1);
    }
    75% {
      -webkit-transform: scale3d(1.05, 0.95, 1);
              transform: scale3d(1.05, 0.95, 1);
    }
    100% {
      -webkit-transform: scale3d(1, 1, 1);
              transform: scale3d(1, 1, 1);
    }
}