.container {
  width: auto;
  max-width: 600px;
  padding: 15px 15px;
  margin: 15px auto;
  background-color: white;
  opacity:0.9;
}

body {
  background-image: url("clipboard.jpg");
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
}

.hidden {
  display:none;
}

.right {
  text-align: right;
}