*{
  margin:0;
  padding:0;
}

body{
  font-family: 'Arial',sans-serif;

}

.container {
  width:90%;
  margin:0 auto;
}

#page-title{
  font-size: 5rem;
  margin-bottom: 1rem;
}

#output{
  background: #000;
  color: #ccc;

}

.msg-box {
  margin: 1rem 0;
  text-indent: 2rem;
  padding: 1rem;
  background:#f4f4f4;
  color:#333;
}

.btn{
  padding: 0.5rem 2rem;
  border: 0;
  background: #000;
  color: #ccc;
  cursor: pointer;
}