/* supaya field:required ada asterisk setelah label */
form .form-group.required > label:after {
  content: " * ";
  color: var(--red);
}
.wait {
  width: 100%;
  background-color: rgba(0, 0, 0, 0.1);
  position: fixed;
  overflow: auto;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  /* hidup terlalu singkat, diatas semua (sticky header, modal dialog, etc) */
}
.wait .spin {
  border-style: solid;
  border-width: 4px;
  border-color: orangered;
  border-radius: 50%;
  border-top-color: transparent;
  width: 24px;
  height: 24px;
  animation: spin_wait 1s linear infinite;
  margin: 0 auto;
  margin-top: 30vh;
  /* condong keatas */
}
@keyframes spin_wait {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}