style.css

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

section {
  height: 100vh;
  background-color: #4a69bd;
  font-family: sans-serif;
}

.score {
  color: #e0fefe;
  height: 20vh;
  display: flex;
  justify-content: space-around;
  align-items: center;
}

.score h2 {
  font-size: 30px;
}

.score p {
  text-align: center;
  padding: 10px;
  font-size: 25px;
}

.intro {
  color: #e0fefe;
  height: 50vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-around;
  opacity: 1;
}

.intro h1 {
  font-size: 50px;
  text-align: center;
}

.intro button,
.match button {
  width: 150px;
  height: 50px;
  background: #079992;
  border: none;
  color: #e0fefe;
  font-size: 20px;
  border-radius: 3px;
  cursor: pointer;
}

.match {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: none;
}

.winner {
  color: #e0fefe;
  text-align: center;
  font-size: 40px;
}

.hands,
.options {
  display: flex;
  justify-content: space-around;
  align-items: center;
}

.player-hand {
  transform: rotateY(180deg);
}


@media (max-width: 768px) {
  .intro h1 {
    font-size: 40px;
  }

  .match {
    top: 58%;
  }

  .options {
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 20px;
    padding: 0 20px;
    max-width: 400px;
    width: 100%;
    margin: 0 auto;
  }
}

@media (max-width: 600px) {
  .winner {
    font-size: 29px;
  }
}