body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
}

.header {
  background-color: #333;
  color: #fff;
  padding: 20px;
  text-align: center;
}

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

.section {
  margin-bottom: 40px;
}

.section-heading {
  font-size: 24px;
  font-weight: bold;
  margin-bottom: 20px;
}

.section-content {
  font-size: 16px;
  line-height: 1.5;
}

.student-section,
.teacher-section {
  background-color: #f4f4f4;
  border-radius: 4px;
  padding: 20px;
}