body, html { 
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  background-color: var(--jeopardy-blue);
  color: var(--font-color-main);
  font-family: Arial, sans-serif;
}

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

.card {
  position: relative;
  width: 300px;
  height: 200px;
  perspective: 1000px;
}

.card-front, .card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
  box-sizing: border-box;
  border: 1px solid var(--font-color-main);
  border-radius: 10px;
  transition: transform 0.8s;
  transform-style: preserve-3d;
}

.card-front {
  background-color: var(--jeopardy-blue);
}

.card-back {
  background-color: var(--font-color-main);
  color: var(--jeopardy-blue);
  transform: rotateY(180deg);
}

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

.card:hover .card-back {
  transform: rotateY(360deg);
}