.loading {
  z-index: 100000;
  position: fixed;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.4);
}

.loading-content {
  position: absolute;
  border: 10px solid #f3f3f3;
  /* Light grey */
  border-top: 10px solid #3498db;
  /* Blue */
  border-radius: 50%;
  width: 50px;
  height: 50px;
  top: 50%;
  left: 50%;
  -webkit-animation: spin 1.5s linear infinite;
          animation: spin 1.5s linear infinite;
}

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

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}
@media (max-width: 680px) {
  .loading-content {
    left: 45%;
  }
}