* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Roboto', sans-serif;
}

body, html {
  height: 100%;
  width: 100%;
}

body {
  background: url("https://plus.unsplash.com/premium_photo-1665520347002-e39a2a64f74c?w=500&auto=format&fit=crop&q=60&ixlib=rb-4.1.0&ixid=M3wxMjA3fDB8MHxzZWFyY2h8MTd8fHF1aXp8ZW58MHx8MHx8fDA%3D") no-repeat center /cover;
}

.app {
  background: url("quizimg.png") no-repeat center center / cover;
  width: 90%;
  max-width: 600px;
  margin: 100px auto 0;
  border-radius: 10px;
  padding: 30px;
}

.app h1 {
  font-size: 24px;
  color: #001e4d;
  font-weight: 600;
  border-bottom: 1px solid #333; /* Fixed typo from '1ox' */
  padding-bottom: 30px;
}

.question {
  font-size: 18px;
  color: #001e4d;
  font-weight: 600;
  margin: 20px 0;
}

.btn {
  background-color: #ffffff;
  color: #222;
  font-weight: 500;
  width: 100%;
  border: 1px solid #222;
  padding: 10px;
  margin: 10px 0;
  text-align: left;
  border-radius: 5px;
  cursor: pointer;
}

.btn:hover {
  background: #222;
  color: #fff;
}

.next-btn {
  background: #001e4d;
  color: #fff;
  font-weight: 500;
  width: 150px;
  border: 0;
  padding: 10px;
  margin: 20px auto 0;
  border-radius: 4px;
  cursor: pointer;
  display: none;
}