body {
  background-color: #f2f9ec;
  margin: 24px;
  padding: 0;
  font-family: "Gamja Flower", "Nanum Gothic", sans-serif;
  overflow-y: hidden;
}

.introContainer {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100vh;
  gap: 10px;
  width: 100%;
}
.happyGifImage {
  width: 200px;
}
.startButton {
  padding: 12px 20px;
  background-color: #86bb59;
  border-radius: 50px;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  color: white;
  font-size: 22px;
}

.description {
  text-align: center;
  color: #86bb59;
  font-size: 20px;
}

@media (max-width: 600px) {
  .happyGifImage {
    width: 50%;
  }
}