.cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 30px;
  cursor: pointer;
}

.cards-container {
  -webkit-transform-style: preserve-3d;
  transform-style: preserve-3d;
  -webkit-perspective: 1000px;
  perspective: 1000px;
}

.front,
.back {
  background-size: cover;
  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.25);
  border-radius: 10px;
  background-position: center;
  -webkit-transition: -webkit-transform 0.7s cubic-bezier(0.4, 0.2, 0.2, 1);
  transition: -webkit-transform 0.7s cubic-bezier(0.4, 0.2, 0.2, 1);
  -o-transition: transform 0.7s cubic-bezier(0.4, 0.2, 0.2, 1);
  transition: transform 0.7s cubic-bezier(0.4, 0.2, 0.2, 1);
  transition: transform 0.7s cubic-bezier(0.4, 0.2, 0.2, 1),
    -webkit-transform 0.7s cubic-bezier(0.4, 0.2, 0.2, 1);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  text-align: center;
  min-height: 400px;
  height: auto;
  border-radius: 10px;
  color: #fff;
  font-size: 1.5rem;
}

.back {
  background-color: #00aeef;
}

.front:after {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  content: "";
  display: block;
  opacity: 0.6;
  background-color: #000;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  border-radius: 10px;
}
.container:hover .front,
.container:hover .back {
  -webkit-transition: -webkit-transform 0.7s cubic-bezier(0.4, 0.2, 0.2, 1);
  transition: -webkit-transform 0.7s cubic-bezier(0.4, 0.2, 0.2, 1);
  -o-transition: transform 0.7s cubic-bezier(0.4, 0.2, 0.2, 1);
  transition: transform 0.7s cubic-bezier(0.4, 0.2, 0.2, 1);
  transition: transform 0.7s cubic-bezier(0.4, 0.2, 0.2, 1),
    -webkit-transform 0.7s cubic-bezier(0.4, 0.2, 0.2, 1);
}

.back {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
}

.inner {
  -webkit-transform: translateY(-50%) translateZ(60px) scale(0.94);
  transform: translateY(-50%) translateZ(60px) scale(0.94);
  top: 50%;
  position: absolute;
  left: 0;
  width: 100%;
  padding: 1rem;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  outline: 1px solid transparent;
  -webkit-perspective: inherit;
  perspective: inherit;
  z-index: 2;

  @media (min-width: 768px) {
    padding: 2rem;
  }
}

.cards-container .back {
  -webkit-transform: rotateY(180deg);
  transform: rotateY(180deg);
  -webkit-transform-style: preserve-3d;
  transform-style: preserve-3d;
}

.cards-container .front {
  -webkit-transform: rotateY(0deg);
  transform: rotateY(0deg);
  -webkit-transform-style: preserve-3d;
  transform-style: preserve-3d;
}

.cards-container:hover .back {
  -webkit-transform: rotateY(0deg);
  transform: rotateY(0deg);
  -webkit-transform-style: preserve-3d;
  transform-style: preserve-3d;
}

.cards-container:hover .front {
  -webkit-transform: rotateY(-180deg);
  transform: rotateY(-180deg);
  -webkit-transform-style: preserve-3d;
  transform-style: preserve-3d;
}

.front .inner p:after {
  content: "";
  width: 4rem;
  height: 2px;
  position: absolute;
  background: #c6d4df;
  display: block;
  left: 0;
  right: 0;
  margin: 0 auto;
  bottom: -0.75rem;
}

.front .inner h3 {
  color: #fff;
  font-family: "Montserrat";
  font-weight: 600;
  font-size: clamp(1.5rem, 2vw + 1rem, 1.6rem);
}
.back .inner h4 {
  color: #fff;
  font-family: "Montserrat";
  font-weight: 800;
  font-size: 1rem;
}
.back .inner p {
  color: #fff;
  font-family: "Montserrat";
  color: #fff;
  font-size: 0.8rem;
  position: relative;
}

@media screen and (max-width: 64rem) {
  .cards-col {
    width: calc(33.333333% - 2rem);
  }
}

@media screen and (max-width: 48rem) {
  .cards-col {
    width: calc(50% - 2rem);
  }
}

@media screen and (max-width: 32rem) {
  .cards-col {
    width: 100%;
    margin: 0 0 2rem 0;
  }
}
/* https://codepen.io/nicolaspavlotsky/pen/wqGgLO */