body {
  margin: 0;
  font-family: Arial, sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  height: 100vh;
  background: #020024;
  background: linear-gradient(45deg, rgba(2, 0, 36, 1) 39%, rgba(27, 27, 168, 1) 79%);
  color: white;
}
.answer {
  margin: 10px;
}

.card {
  display: block;
  margin-left: 20px;
  margin-right: 20px;
  border-radius: 20px;
  padding: 20px;
  color: black;
  background-color: #E9F5F2;
  box-shadow: 10px 5px 5px black;
  opacity: 0;
}

.question {
  font-size: 18px;
  margin-bottom: 20px;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.4s ease;
}

.question.show {
  opacity: 1;
  transform: translateY(0);
}

button {
  padding: 5px 10px;
  font-size: 18px;
  border-radius: 10px;
  color: white;
  cursor: pointer;
  transition: transform 0.1s;
}

button:hover {
  transform: scale(1.05);
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.start {
background: #020024;
background: linear-gradient(45deg, rgba(2, 0, 36, 1) 14%, rgba(106, 105, 188, 1) 46%, rgba(222, 124, 124, 1) 73%, rgba(148, 18, 18, 1) 100%);
color: white;
}
.true {
  background: #4caf50; 
  color: white; 
}
.false {
  background: #f44336; 
  color: white; 
}

.feedback {
  margin-top: 15px;
  font-weight: bold;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.feedback.show {
  opacity: 1;
}

.score {
  padding: 12px;
  border-radius: 4px;
  font-size: 18px;
  color: chocolate;
}

.listaZebrada {
  height: 200px;
  overflow: auto;
  padding: 0px;
}

.listaZebrada li {
  list-style: none;
  padding: 5px;
  margin-bottom: 2px;
  color: #020024;
  border-radius: 5px;
}
.listaZebrada li:nth-child(odd) {
  background-color: #e0e0e0;
}
.listaZebrada li:nth-child(even) {
  background-color: #fff;
}