body {
  font-family: sans-serif;
}
#formData {
  margin: 0 auto;
  width: 450px;
  padding: 20px;
  background-color: lightgrey;
  border-radius: 6px;
  border-color: grey;
}

.form-group {
  padding: 10px;
}

.form-group label {
  display: block;
}

.form-group input {
  padding: 4px;
  width: 100%;
  background-color: white;
}

.form-group textarea {
  padding: 4px;
  width: 100%;
  background-color: white;
}

/* Chrome, Safari, Edge, Opera */
input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* Firefox */
input[type='number'] {
  -moz-appearance: textfield;
}

.error {
  color: darkred;
  font-size: 0.8em;
}
.text-center {
  text-align: center;
}