.app-loading {
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.spinner-border {
  display: inline-block;
  width: 3rem;
  height: 3rem;
  vertical-align: -0.125em;
  border: 0.25em solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  -webkit-animation: 0.75s linear infinite spinner-border;
  animation: 0.8s linear infinite spinner-border;
}

.text-primary {
  color: #0d6efd !important;
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

@keyframes spinner-border {
  to {
    transform: rotate(360deg) /* transition: 0.8s */;
  }
}