.main-content:before {
  content: "";
  background-image: url("https://brand.heroku.com/static/media/header-background.1cb731f4.svg");
  width: 100%;
  height: 100%;
  transition: opacity 3s;
  background-size: auto 80%;
  position: absolute;
}

.gradient {
  background: linear-gradient(135deg,#9d6ed0,#43accd);
}

.image-wrapper {
  width: 70%;
  display: inline-flex;
}