.bigSqr {
  position: relative;
  display: inline-block;
  width: 40px;
  height: 40px;
  overflow: hidden;
  transform-origin: bottom left;
  -webkit-animation: bigSqrShrink 1s linear infinite;
          animation: bigSqrShrink 1s linear infinite;
}

.square {
  position: absolute;
  width: 20px;
  height: 20px;
  background: #FFF;
}

.first {
  left: 0px;
  top: 20px;
}

.second {
  left: 20px;
  top: 20px;
  -webkit-animation: drop2 1s linear infinite;
          animation: drop2 1s linear infinite;
}

.third {
  left: 0px;
  top: 0px;
  -webkit-animation: drop3 1s linear infinite;
          animation: drop3 1s linear infinite;
}

.fourth {
  left: 20px;
  top: 0px;
  -webkit-animation: drop4 1s linear infinite;
          animation: drop4 1s linear infinite;
}

.text {
  line-height: 16px;
  font-weight: 400;
  color: #FFF;
  display: block;
  margin: 10px auto;
  padding: 3px;
}

@-webkit-keyframes bigSqrShrink {
  0% {
    transform: scale(1);
  }
  90% {
    transform: scale(1);
  }
  100% {
    transform: scale(0.5);
  }
}

@keyframes bigSqrShrink {
  0% {
    transform: scale(1);
  }
  90% {
    transform: scale(1);
  }
  100% {
    transform: scale(0.5);
  }
}
@-webkit-keyframes drop2 {
  0% {
    transform: translateY(-50px);
  }
  25% {
    transform: translate(0);
  }
  100% {
    transform: translate(0);
  }
}
@keyframes drop2 {
  0% {
    transform: translateY(-50px);
  }
  25% {
    transform: translate(0);
  }
  100% {
    transform: translate(0);
  }
}
@-webkit-keyframes drop3 {
  0% {
    transform: translateY(-50px);
  }
  50% {
    transform: translate(0);
  }
  100% {
    transform: translate(0);
  }
}
@keyframes drop3 {
  0% {
    transform: translateY(-50px);
  }
  50% {
    transform: translate(0);
  }
  100% {
    transform: translate(0);
  }
}
@-webkit-keyframes drop4 {
  0% {
    transform: translateY(-50px);
  }
  75% {
    transform: translate(0);
  }
  100% {
    transform: translate(0);
  }
}
@keyframes drop4 {
  0% {
    transform: translateY(-50px);
  }
  75% {
    transform: translate(0);
  }
  100% {
    transform: translate(0);
  }
}

#loading {
  position: fixed;
  background-color: rgb(10, 10, 10, 0.7);
  opacity: 1;
  top: 0;
  left: 0;
  height: 100%;
  width: 100%;
  z-index:10000;
    
  /* this is what centers your element in the fixed wrapper*/
  display: flex;
  flex-flow: column nowrap;
  justify-content: center; /* aligns on vertical for column */
  align-items: center; /* aligns on horizontal for column */

  line-height: 16px;
}