r-gradient(
    90deg,
    transparent 0,
    transparent 25%,
    #fff 0,
    #fff 50%,
    transparent 0,
    transparent 75%,
    #fff 0
  );
  z-index: -1;
}

.btn-12:hover:after,
.btn-12:hover:before {
  --progress: 0;
}

</style>
