body {
  background-color: #f8f8f8;
  font-family: Arial, sans-serif;
}

.error-container {
  background-color: #fff;
  border: 1px solid #ddd;
  border-radius: 5px;
  box-shadow: 0 0 10px rgba(0,0,0,.1);
  max-width: 400px;
  margin: 100px auto;
  padding: 40px;
  text-align: center;
}

h1 {
  color: #f44336;
  font-size: 72px;
  margin-bottom: 10px;
}

p {
  color: #666;
  font-size: 24px;
  margin-bottom: 20px;
}

a {
  color: #f44336;
  text-decoration: none;
  transition: color .3s ease-in-out;
}

a:hover {
  color: #b71c1c;
}