.button-85 {
  padding: 0.6em 2em;
  border: none;
  outline: none;
  cursor: pointer;
  position: relative;
  z-index: 0;
  border: 2px solid #B9363B;
  touch-action: manipulation;
}

.button-85:before {
  content: "";
  position: absolute;
  top: -2px;
  left: -2px;
  z-index: -1;
  border-radius: 25px;
}

@keyframes glowing-button-85 {
  0% {
    background-position: 0 0;
  }
  50% {
    background-position: 400% 0;
  }
  100% {
    background-position: 0 0;
  }
}

.button-85:after {
  z-index: -1;
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
  border-radius: 10px;
}
.promocion-img {
  width: 100%;
  height: auto;
}

@media only screen and (max-width: 420px) {
  .promocion-img {
    max-width: 100%;
    height: auto;
  }
}