.activate_coupon, .prospekt_container {
  position: relative;

  &:before {
    content: '';
    position: absolute;
    left: 40%;
    top: 50%;
    margin-top: -12px;
    width: 24px;
    height: 24px;
    border: 2px solid;
    border-left-color: transparent;
    border-right-color: transparent;
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.5s;
    animation: 0.8s linear infinite rotate;
  }
  &.sending{
    pointer-events: none;
    cursor: not-allowed;

    &:before {
      transition-delay: 0.1s;
      transition-duration: 1s;
      opacity: 1;
    }
  }
}

@keyframes rotate {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}