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

body {
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;

  background-image: url(/img/dc_vs_marvel.jpg);
  background-repeat: no-repeat;
  background-size: cover;
  background-position: top center;
  font-family: Verdana, Geneva, Tahoma, sans-serif;
}

#iniciar {
  background-color: rgb(11, 57, 220);
  border-radius: 16px;
  margin-top: 150px;
  width: 200px;
  padding: 8px;
  font-size: 50px;
  font-family: Arial, Helvetica, sans-serif;
  color: white;
  font-weight: bold;
}

#iniciar:hover {
  background-color: white;
  color: rgb(11, 57, 220);
  cursor: pointer;
}

main {
  width: 100%;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card {
  border-radius: 16px;
  background-color: rgba(0, 0, 0, 0.817);
  width: 60%;
  align-items: center;
  color: white;
  text-align: center;
  padding: 32px;
}

#card1 {
  display: none;
}
#card2 {
  display: none;
}
#card3 {
  display: none;
}
#card4 {
  display: none;
}
#card5 {
  display: none;
}
#card6 {
  display: none;
}
#card7 {
  display: none;
}
#card8 {
  display: none;
}
#card9 {
  display: none;
}

#pergunta {
  margin-bottom: 16px;
  font-size: 40px;
}

#op1,
#op2 {
  border-radius: 16px;
  padding: 8px;
  margin-bottom: 16px;
  color: black;
  background-color: beige;
  font-size: 32px;
}

#op1:hover,
#op2:hover {
  background-color: black;
  color: white;
  cursor: pointer;
}