<div class="container">
  <div class="cardWrap">
    <div class="card">
      <div class="cardBg" style="background-image: url('https://m.jagranjosh.com/imported/images/E/Articles/maths2.jpg');"></div>
      <div class="cardInfo">
        <h3 class="cardTitle">
          Mathematics
        </h3>
        <p>A subject which deals with.... Well Maths!</p>
      </div>
    </div>
  </div>
</div>

.container {
  padding: 40px 80px;
  display: -webkit-box;
  display: flex;
  flex-wrap: wrap;
  -webkit-box-pack: center;
  justify-content: center;
}

.cardWrap {
  margin: 10px;
  -webkit-transform: perspective(800px);
  transform: perspective(800px);
  -webkit-transform-style: preserve-3d;
  transform-style: preserve-3d;
  cursor: pointer;
}

.cardWrap:hover .cardInfo {
  -webkit-transform: translateY(0);
  transform: translateY(0);
}

.cardWrap:hover .cardInfo p {
  opacity: 1;
}

.cardWrap:hover .cardInfo,
.cardWrap:hover .cardInfo p {
  -webkit-transition: 0.6s cubic-bezier(0.23, 1, 0.32, 1);
  transition: 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}

.cardWrap:hover .cardInfo:after {
  -webkit-transition: 5s cubic-bezier(0.23, 1, 0.32, 1);
  transition: 5s cubic-bezier(0.23, 1, 0.32, 1);
  opacity: 1;
  -webkit-transform: translateY(0);
  transform: translateY(0);
}

.cardWrap:hover .cardBg {
  -webkit-transition: 0.6s cubic-bezier(0.23, 1, 0.32, 1),
    opacity 5s cubic-bezier(0.23, 1, 0.32, 1);
  transition: 0.6s cubic-bezier(0.23, 1, 0.32, 1),
    opacity 5s cubic-bezier(0.23, 1, 0.32, 1);
  opacity: 0.8;
}

.cardWrap:hover .card {
  -webkit-transition: 0.6s cubic-bezier(0.23, 1, 0.32, 1),
    box-shadow 2s cubic-bezier(0.23, 1, 0.32, 1);
  transition: 0.6s cubic-bezier(0.23, 1, 0.32, 1),
    box-shadow 2s cubic-bezier(0.23, 1, 0.32, 1);
  box-shadow: rgba(255, 255, 255, 0.2) 0 0 40px 5px, white 0 0 0 1px,
    rgba(0, 0, 0, 0.66) 0 30px 60px 0, inset #333 0 0 0 5px,
    inset white 0 0 0 6px;
}

.card {
  position: relative;
  -webkit-box-flex: 0;
  flex: 0 0 240px;
  width: 240px;
  height: 320px;
  background-color: #333;
  overflow: hidden;
  border-radius: 10px;
  box-shadow: rgba(0, 0, 0, 0.66) 0 30px 60px 0, inset #333 0 0 0 5px,
    inset rgba(255, 255, 255, 0.5) 0 0 0 6px;
  -webkit-transition: 1s cubic-bezier(0.445, 0.05, 0.55, 0.95);
  transition: 1s cubic-bezier(0.445, 0.05, 0.55, 0.95);
}

.cardBg {
  opacity: 0.5;
  position: absolute;
  top: -20px;
  left: -20px;
  width: 100%;
  height: 100%;
  padding: 20px;
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  -webkit-transition: 1s cubic-bezier(0.445, 0.05, 0.55, 0.95),
    opacity 5s 1s cubic-bezier(0.445, 0.05, 0.55, 0.95);
  transition: 1s cubic-bezier(0.445, 0.05, 0.55, 0.95),
    opacity 5s 1s cubic-bezier(0.445, 0.05, 0.55, 0.95);
  pointer-events: none;
}

.cardInfo {
  padding: 20px;
  position: absolute;
  bottom: 0;
  color: #fff;
  -webkit-transform: translateY(40%);
  transform: translateY(40%);
  -webkit-transition: 0.6s 1.6s cubic-bezier(0.215, 0.61, 0.355, 1);
  transition: 0.6s 1.6s cubic-bezier(0.215, 0.61, 0.355, 1);
}

.cardInfo p {
  opacity: 0;
  text-shadow: black 0 2px 3px;
  -webkit-transition: 0.6s 1.6s cubic-bezier(0.215, 0.61, 0.355, 1);
  transition: 0.6s 1.6s cubic-bezier(0.215, 0.61, 0.355, 1);
}

.cardInfo * {
  position: relative;
  z-index: 1;
}

.cardInfo:after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  background-image: -webkit-gradient(
    linear,
    left top,
    left bottom,
    from(transparent),
    to(rgba(0, 0, 0, 0.6))
  );
  background-image: linear-gradient(
    to bottom,
    transparent 0%,
    rgba(0, 0, 0, 0.6) 100%
  );
  background-blend-mode: overlay;
  opacity: 0;
  -webkit-transform: translateY(100%);
  transform: translateY(100%);
  -webkit-transition: 5s 1s cubic-bezier(0.445, 0.05, 0.55, 0.95);
  transition: 5s 1s cubic-bezier(0.445, 0.05, 0.55, 0.95);
}

.cardInfo h1 {
  font-family: "Playfair Display";
  font-size: 36px;
  font-weight: 700;
  text-shadow: rgba(0, 0, 0, 0.5) 0 10px 10px;
}

const wrapper = document.querySelectorAll(".cardWrap");

wrapper.forEach(element => {
  let state = {
    mouseX: 0,
    mouseY: 0,
    height: element.clientHeight,
    width: element.clientWidth
  };

  element.addEventListener("mousemove", ele => {
    const card = element.querySelector(".card");
    const cardBg = card.querySelector(".cardBg");
    state.mouseX = ele.pageX - element.offsetLeft - state.width / 2;
    state.mouseY = ele.pageY - element.offsetTop - state.height / 2;

    // parallax angle in card
    const angleX = (state.mouseX / state.width) * 30;
    const angleY = (state.mouseY / state.height) * -30;
    card.style.transform = `rotateY(${angleX}deg) rotateX(${angleY}deg) `;

    // parallax position of background in card
    const posX = (state.mouseX / state.width) * -40;
    const posY = (state.mouseY / state.height) * -40;
    cardBg.style.transform = `translateX(${posX}px) translateY(${posY}px)`;
  });

  element.addEventListener("mouseout", () => {
    const card = element.querySelector(".card");
    const cardBg = card.querySelector(".cardBg");
    card.style.transform = `rotateY(0deg) rotateX(0deg) `;
    cardBg.style.transform = `translateX(0px) translateY(0px)`;
  });
});