body {
  font-family: 'Trebuchet MS', sans-serif;
  background-color: #fdf9f4;
  margin: 0;
  color: #2a2a2a;
}
header {
  background-color: #222;
  color: #fff;
  padding: 40px 20px;
  text-align: center;
}
.intro {
  text-align: center;
  max-width: 860px;
  margin: 30px auto;
  padding: 0 20px;
  font-size: 1.1rem;
}
.search-box {
  text-align: center;
  margin: 20px auto;
}
.search-box input {
  padding: 12px;
  width: 90%;
  max-width: 500px;
  font-size: 1rem;
  border: 1px solid #ccc;
  border-radius: 10px;
}
.section {
  max-width: 1000px;
  margin: 30px auto;
  padding: 0 20px;
}
.section h2 {
  color: #F67B16;
  margin-bottom: 10px;
  border-bottom: 2px solid #F67B16;
  padding-bottom: 5px;
}
.course {
  margin: 10px 0;
}
.course h3 {
  font-size: 1rem;
  margin: 0;
}
.course h3 a {
  color: #2a2a2a;
  text-decoration: none;
}
.course h3 a:hover {
  color: #F67B16;
  text-decoration: underline;
}