#error-container {
  text-align: center;
  margin: 100px auto 0px;
}
#error-container header h1 {
  font-size: 10em;
}
#error-container header p {
  text-transform: uppercase;
  font-size: 2em;
}
#error-container p {
  margin: 10px 0 20px 0;
}