.content {
  position: relative;

  padding: 1.5rem;
  background-color: #081b3b;
  color: white;
}

.title,
.subtitle {
  position: relative;
  z-index: 200;
}

.content::after {
  transition-property: all;
  transition-duration: 0.25s;
  transition-timing-function: ease-in-out;

  content: " ";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  opacity: 0;
  z-index: 100;
  background-image: linear-gradient(30deg, #b392f0, #f97583);
}

.content:hover::after {
  opacity: 0.4;
}

/***********************************************************************************
  The styles below are not key to the example, they are for presentational purposes
 ***********************************************************************************/

.grid {
  display: grid;
  grid-template-columns: 50% 50%;
  grid-gap: 1px;
  background-color: grey;
}

.title {
  font-size: 3rem;
  font-weight: bold;
  line-height: 1.2;
  margin-bottom: 2rem;
}

.subtitle {
  font-size: 1.5rem;
  font-weight: bold;
}