body {
  color: #505963;
  background: #eee;
}
.case {
  max-width: 710px;
  width: 100%;
  margin: 0 auto;
}
.text-small {
  font-size: 12px;
}
.payment-card .card-header {
  position: relative;
}
.payment-card .card-header .spinner-border {
  position: absolute;
  right: 15px;
  top: 15px;
}
@media (max-width: 798px) {
  .card .card-header {
    display: none;
  }
}