.suretrigger_button {
  position: relative;
}

.st_trigger_button_loading:after {
  content: '';
  position: absolute;
  right: 6px;
  top: 50%;
  animation:
    rotate360 0.5s infinite linear,
    exist 0.1s forwards ease;
}

.st_trigger_button_loading:before {
  content: '';
  border-radius: 50%;
  right: 0px;
  top: 50%;
  position: absolute;
  border-right: 3px solid #ffffff;
  animation:
    rotate360 0.5s infinite linear,
    exist 0.1s forwards ease;
}

@keyframes rotate360 {
  100% {
    transform: rotate(360deg);
  }
}
@keyframes exist {
  100% {
    width: 15px;
    height: 15px;
    margin: -8px 5px 0 0;
  }
}