html {
  min-height: 100%;
}
body {
  background: url('img/binary.jpg') top center no-repeat;
  background-size: cover;
  min-height: 100%;
}
.container {
  background-color: rgba(0,0,0,.8);
  margin: 5rem;
  text-align: center;
  border-radius: 20px;
}
body, .container, h1, input, button, form, h2, h3 {
  font-family: 'Orbitron', sans-serif;
}
#result {
  display: none;
}

#decimalError {
  display: none;
}

#baseError {
  display: none;
}

.green {
  color: #159411;
}