message: Ensure fields with errors are clearly visible
  Until we have better validation, let's at least ensure fields with errors are
  properly marked via color.
diff: @@ -58,6 +58,10 @@ limitations under the License.
  background-color: $authpage-body-bg-color;
  }
  +.mx_AuthBody input.error {
  + color: $warning-color;
  +}
  +
  .mx_AuthBody_editServerDetails {
  padding-left: 1em;
  font-size: 12px;
  