.gradient-button-image-wrapper {
  position: relative;
  display: inline-block;
}

.gradient-button__image,
.gradient-button__hover {
  transition: all 0.3s ease;
  display: block;
  position: absolute;
  top: 0;
  left: 0;
}

.gradient-button__image {
  z-index: 1;
  opacity: 1;
}

.gradient-button__hover {
  z-index: 2;
  opacity: 0;
}

.gradient-button-image-wrapper:hover .gradient-button__hover {
  opacity: 1;
}

.gradient-button-image-wrapper:hover .gradient-button__image {
  opacity: 0;
}