body {
  margin: 0;
  font-family: sans-serif;
}
.section {
  background-color: #f2395a;
  color: #fff;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  perspective: 1000px;
  overflow: hidden;
}
.heading {
  margin-left: 20%;
}
.phone, 
.tablet,
.desctop {
  background-color: #fff;
  box-shadow: 13px 13px 32px 0 rgba(242, 57, 90, .3);
  position: absolute;
  transition: 1s;
  transform: translateY(100%);
}
.section:hover .phone,
.section:hover .tablet,
.section:hover .desctop {
  transform: translateY(10px) rotateY(-15deg);
}
.phone {
  width: 200px;
  height: 280px;
  left: 5%;
  bottom: 0;
  background: #fff url('../img/mobile.svg') center no-repeat;
  z-index: 3;
  transition-delay: 0.2s;
}
.tablet {
  width: 360px;
  height: 380px;
  background: #fff url('../img/tablet.svg');
  bottom: 0;
  left: 10%;
  z-index: 1;
  transition-delay: 0.4s;
}
.desctop {
  width: 680px;
  height: 480px;
  background: #fff url('../img/desktop.svg');
  bottom: 0;
  left: 15%;
  transition-delay: 0.6s; 
}