.app-loading {
  margin-top: 50px;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
}

.spinner {
  width: 40px;
  height: 40px;

  position: relative;
  margin: 100px auto;
}

.spinner.lg-main {
  position: absolute;
  width: 90px;
  height: 90px;
  margin: 0;
}

.double-bounce1,
.double-bounce2 {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background-color: #333;
  opacity: .6;
  position: absolute;
  top: 0;
  left: 0;

  -webkit-animation: sk-bounce 2.0s infinite ease-in-out;
  animation: sk-bounce 2.0s infinite ease-in-out;
}

.spinner.white .double-bounce1,
.spinner.white .double-bounce2 {
  background-color: #ffffff;
}

.double-bounce2 {
  -webkit-animation-delay: -1.0s;
  animation-delay: -1.0s;
}
@-webkit-keyframes sk-bounce {
  0%,
  100% {
    -webkit-transform: scale(0.0);
  }

  50% {
    -webkit-transform: scale(1.0);
  }
}
@keyframes sk-bounce {
  0%,
  100% {
    transform: scale(0.0);
    -webkit-transform: scale(0.0);
  }

  50% {
    transform: scale(1.0);
    -webkit-transform: scale(1.0);
  }
}