body {
  margin: 0;
  padding: 0;
  font-family: Arial, sans-serif;
  background-color: #f2f7fc;
}

.card-container {
  display: flex;
  align-items: start;
  justify-content: center;
  height: 100vh;
}
h1{
    text-align:center;
    margin-bottom:40px;
    font-size:1.6em;
}
.card {
  position: relative;
  width: 320px;
  height: 480px;
  background-color: #fff;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.2);
  border-radius: 10px;
  text-align: center;
  padding: 20px;
  transition: transform 0.6s;
  transform-style: preserve-3d;
}

.card.flipped {
  transform: rotateY(180deg);
}

.card-face {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
}

.card-front {
  z-index: 2;
}

.card-back {
  transform: rotateY(180deg);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin-top: 20px;
}

.prompt {
  font-size: 22px;
  font-weight: bold;
  margin-bottom: 20px;
}

.flip-button {
  position: absolute;
  top: 85px;
  left: 50%;
  transform: translateX(-50%);
  padding: 10px 20px;
  background-color: #1c73ba;
  color: #fff;
  border-radius: 5px;
  border: none;
  font-size: 18px;
  cursor: pointer;
  z-index: 2;
}

.video-container {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  margin-bottom: 60px;
}

.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.next-button {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  padding: 10px;
  background-color: #1c73ba;
  color: #fff;
  border-radius: 5px;
  border: none;
  font-size: 18px;
  cursor: pointer;
  z-index: 2;
}