#invite-form {
  margin-bottom: 1em;
}

#code-form input[type="submit"] {
  
}

#invite-form-error,
#run-form-error {
  display: none;
  color: red;
}

#invite-form-success,
#run-form-success {
  display: none;
  color: green;
}

#demo {
  display: none;
}

.float-fix-a {
  position: relative;
  float: right;
  right: 50%;
  margin-top: 10px;
}

.float-fix-b {
  position: relative;
  float: right;
  right: -50%;
}

.clear {
  clear: both;
}