.cards {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 60vh;
}
.custom-card {
  position: absolute;
  width: 100%;
  top: 0px;
  height: 60vh;
  color: #fff;
  display: flex;
  border-radius: 30px;
  padding: 40px 25px 10px 40px;
  flex-direction: column;
}
.card2 {
  top: -30px;
}
.card3 {
  top: -60px;
}
.opacity {
  -moz-transition: 0.4s ease;
  -ms-transition: 0.4s ease;
  -o-transition: 0.4s ease;
  transition: 0.4s ease;
  -webkit-transition: 0.4s ease;
  opacity: 0.6;
}
.scale {
  moz-transition: 0.4s ease;
  -ms-transition: 0.4s ease;
  -o-transition: 0.4s ease;
  transition: 0.4s ease;
  -webkit-transition: 0.4s ease;
  width: 95%;
}