body {
  font-family: Arial, sans-serif;
  color: #333;
}

.jumbotron {
  background-color: #f4511e; 
  color: #fff;
}

.jumbotron h1 {
  font-size: 48px;
  font-weight: bold; 
  margin-bottom: 20px;
}

.jumbotron p {
  font-size: 18px;
  max-width: 600px;
  margin: 0 auto 20px;
}

.thumbnail {
  background-color: #fff;
  border: none;
  box-shadow: 0 2px 5px #ccc;
  padding: 20px;
  margin-bottom: 30px;
} 

.thumbnail span {
  font-size: 48px;
  color: #f4511e;
  margin-bottom: 10px;
  display: inline-block;
}

.thumbnail h3 {
  font-size: 24px;
  font-weight: bold;
  margin-bottom: 15px; 
}

.thumbnail p {
  font-size: 16px;
  margin-bottom: 20px;
}

.btn-success {
  color: #fff;
  background-color: #f4511e;
  border-color: #f4511e; 
}

.btn-success:hover {
  background-color: #ee3d00;
  border-color: #ee3d00;
}