.hidden {
  display: none;
}
.loading-style {
    padding-left: 34px;
    padding-right: 34px;
}
.spinner {
    border: 2px solid #f3f3f3;
    border-top: 2px solid #333;
    border-radius: 50%;
    width: 18px;
    height: 18px;
    animation: spin 0.8s linear infinite;
    display: inline-block;
    vertical-align: middle;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}