tabletop-companion/app/assets/stylesheets/forms.css

form {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr 2fr;

  input, label {
    padding: .5em;
  }

  label {
    grid-column: 1;
    text-align: right;
  }

  input {
    grid-column: 2;
  }

  input[type="submit"] {
    grid-column: 1/3;
  }

  .field_with_errors {
    display: contents;
    border: 1px solid var(--invalid-alert);
    color: var(--invalid-alert);
  }

  .invalid-feedback {
    grid-column: 2;
    color: var(--invalid-alert);
    font-size: .8em;
  }
}