* {
  box-sizing: border-box;
}
body {
  background: linear-gradient(
    89deg,
    rgb(251, 251, 255) 0%,
    rgb(168, 173, 189) 100%
  );

  display: flex;
  align-items: center;
  justify-content: center;
  font-family: sans-serif;
  margin: 0;
  height: 100vh;
}
.quiz-container {
  background-color: white;
  border-radius: 10px;
  box-shadow: 0 0 10px 2px rgba(100, 100, 100, 0.1);
  overflow: hidden;
  width: 600px;
  max-width: 100%;
}
.quiz-header {
  padding: 4rem;
}
h2 {
  margin: 0;
}
ul {
  list-style-type: none;
  padding: 0;
}

ul li {
  font-size: 1.1rem;
  margin: 1rem 0;
}
ul li label {
  cursor: pointer;
}
button {
  background-color: #8e44ad;
  display: block;
  width: 100%;
  padding: 1rem;
  color: white;
  border: none;
  font-size: 1.3rem;
  cursor: pointer;
}
button:hover {
  background-color: #773b91;
}