body, html { 
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

:root {
  --jeopardy-blue: #060CE9;
  --font-color-main: #fff;
}

.card{
  perspective: 1000px;
  background-color: transparent;
  width: 400px;
  height: 250px;
}

.card h2{
  text-transform: uppercase;
  color: var(--font-color-main);
  padding: 20px
}

.card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  text-align: center;
  transition: transform 0.6s;
  transform-style: preserve-3d;
  box-shadow: 0 4px 8px 0 rgba(0,0,0,0.2);
  background-color: var(--jeopardy-blue);
  border-radius: 10px;
}

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

.card-front, .card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}

.card-front, .card-back{
  display: flex;
  align-items: center;
}

.card-back{
  justify-content: center;
  transform: rotateY(180deg);
}