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

#header {
  background-color: #f2f2f2;
  padding: 20px;
  text-align: center;
}

#search-form {
  max-width: 600px;
  margin: 0 auto;
  padding: 20px;
  box-sizing: border-box;
}

#search-form input[type="text"] {
  width: 100%;
  padding: 10px;
  font-size: 18px;
  border: none;
  border-bottom: 2px solid #ddd;
}

#search-form input[type="submit"] {
  background-color: #4CAF50;
  color: white;
  padding: 10px 20px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

#results {
  margin: 20px;
  font-size: 16px;
  line-height: 1.5;
}

#results a {
  color: #4CAF50;
}

#results strong {
  color: #f00;
  font-weight: bold;
}