.b2btp-loading { opacity: .85; cursor: wait; }
.b2btp-spinner {
  display: inline-block;
  width: 14px; height: 14px;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  margin-right: 8px;
  vertical-align: -2px;
  animation: b2btpSpin .8s linear infinite;
}
@keyframes b2btpSpin { to { transform: rotate(360deg);} }
.b2btp-btn-text { display: inline-block; }