.spinner {
  width: 40px;
  height: 40px;
  margin: 0px auto;
  position: relative;
}

.double-bounce1, .double-bounce2 {
  width: 100%;
  height: 100%;
  background-color: #fff;
  border-radius: 50%;
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0.6;
  animation: sk-bounce 2.0s infinite ease-in-out;
  -webkit-animation: sk-bounce 2.0s infinite ease-in-out;
}

.double-bounce2 {
  -webkit-animation-delay: -1.0s;
  animation-delay: -1.0s;
}

.black {
  background-color: #000;
}

.loader-container {
  position: absolute;
  left: 50%;
  transform: translate(-50%);
  font-size: 12px;
}

.loader {
  /* margin: 0 auto; */
  margin-top: 200px;
  border: 8px solid #f3f3f3;
  border-top: 8px solid #7bc7a6;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 2s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@-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);
  }
}