.loading-spinner.fixed { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0, 0, 0, 0.5); z-index: 2000; }
.loading-spinner.fixed img { position: fixed; margin: auto; width: 100px; top: 50%; bottom: 50%; max-width: 100%; max-height: 300px; }