#jumbo {
  padding: 5px;
}

#heading  {
  font-size: 2rem;
  font-weight: bold;
}

@media(min-width:992px){
  #heading  {
    font-size: 3rem;
  }
}

@media(min-width:1200px){
  #heading  {
    font-size: 3.5rem;
  }
}


.error {
  padding: 10px;
  margin: 10px;
  color: #ba3939;
  background: #ffe0e0;
  border: 1px solid #a33a3a;
}