Rotating cards/style.css
body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  font-weight: bold;
  background: black;
  align-items: center;
  text-align: center;
  color: white;
}

.card {
  perspective: 150rem;
  position: relative;
  height: 40rem;
  max-width: 400px;
  margin: 2rem;
  box-shadow: none;
  background: none;
}

.card-side {
  height: 35rem;
  border-radius: 15px;
  transition: all 0.8s ease;
  backface-visibility: hidden;
  position: absolute;
  top: 0;
  left: 0;
  width: 80%;
  padding: 2rem;
  color: white;
}

.card-side div {
  font-size: 1.6rem;
}

.card-side.back {
  transform: rotateY(-180deg);
  background-color: #4158D0;
  background-image: linear-gradient(43deg, #4158D0 0%, #C850C0 46%, #FFCC70 100%);
}

.card-side.front {
  background-color: #0093E9;
  background-image: linear-gradient(160deg, #0093E9 0%, #80D0C7 100%);
}

.card:hover .card-side.front {
  transform: rotateY(180deg);
}

.card:hover .card-side.back {
  transform: rotateY(0deg);
}

img {
  width: 100%;
  margin-top: 2rem;
}

.tech_stack {
  width: 48%;
  margin-bottom: -2rem;
  height: 8%;
}

.back img {
  margin-top: 1.3rem;
}