#_overlay_ {
  position: fixed;
  display: none;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 2;
  cursor: pointer;
  flex-direction: row;
  justify-content: center;
  align-items: center;
}

.loader {
  border: 5px solid #f3f3f3;
  border-radius: 50%;
  border-top: 5px solid #555;
  width: 80px;
  height: 80px;
  -webkit-animation: spin 2s linear infinite;
  /* Safari */
  animation: spin 2s linear infinite;
}

/* Safari */
@-webkit-keyframes spin {
  0% {
    -webkit-transform: rotate(0deg);
  }

  100% {
    -webkit-transform: rotate(360deg);
  }
}

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

  100% {
    transform: rotate(360deg);
  }
}