body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  background-color: #f4f4f4;
  color: #333;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
}

h1, h2 {
  text-align: center;
  margin-bottom: 20px;
}

h1 {
  font-size: 30px;
}

h2 {
  font-size: 15px;
  color: #403e3e;
}

.button {
  display: inline-block;
  padding: 10px 20px;
  margin: 10px;
  background-color: #4CAF50;
  color: white;
  text-align: center;
  text-decoration: none;
  font-size: 16px;
  cursor: pointer;
  border-radius: 4px;
}

.button:hover {
  background-color: #45a049;
}

/* Leaderboard styles */
table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  padding: 8px;
  text-align: left;
  border-bottom: 1px solid #ddd;
}

tr:hover {
  background-color: #f5f5f5;
}

/* Quiz, login, and register page styles */
form {
  display: flex;
  flex-direction: column;
  max-width: 300px;
  margin: 0 auto;
}

label, input {
  margin-bottom: 5px;
}

input[type="text"],
input[type="email"],
input[type="password"] {
  padding: 5px;
  border: 1px solid #ccc;
  border-radius: 4px;
  margin-top: -8px;
}

input[type="submit"],
button[type="submit"],
input[type="button"],
button[type="button"]
{
  cursor: pointer;
  background-color: #4CAF50;
  color: #fff;
  border: 0;
  padding: 10px;
  font-size: 16px;
  border-radius: 4px;
}

input[type="submit"]:hover,
button[type="submit"]:hover {
  background-color: #45a049;
}

ul {
  list-style-type: none;
  padding: 0;
}

/* Quiz page styles */
.quiz-question {
  margin-bottom: 0;
}

.quiz-answers {
  margin-top: 5px;
  padding-left: 20px;
}

.quiz-answers li {
  margin-bottom: 10px;
}

input[type="radio"] {
  margin-right: 5px;
}

.button-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  max-width: 600px;
  margin: 0 auto;
}

.quiz-button {
  flex: 1 1 auto;
  max-width: 200px;
  text-align: center;
  margin-bottom: 20px;
}

.other-buttons, .checkBoxes {
  flex: 1 1 100%;
  text-align: center;
  margin-bottom: 20px;
}