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  <h1>New User Signup</h1>
  <label for="pass" class="pass-label">Password - <span class="tip-icon"></span> 
    <ul class="tip">
      <li>The password length must be greater than or equal to 7</li>
      <li>The password must contain one or more uppercase characters</li>
      <li>The password must contain one or more lowercase characters</li>
      <li>The password must contain one or more numeric values</li>
      <li>The password must contain one or more special characters</li>
    <input id="pass" type="password" required pattern="(?=^.{7,}$)((?=.*\d)|(?=.*\W+))(?![.\n])(?=.*[A-Z])(?=.*[a-z]).*$"></label><label for="pass-confirm" class="pass-label">Confirm Password
    <input id="pass-confirm" type="password" required></label>
      <input type="submit" class="submit"/>

              $success: #007621;
$required: #B00000;
$error: #DC0809;
$black: #000000;
$white: #fff;
$grey: #aaaaaa;

html, body{
  font-family: Helvetica, Arial, sans-serif;

body {
  background: rgb(244,239,241);
  background: radial-gradient(ellipse at center,  rgba(244,239,241,1) 0%,rgba(80,90,100,1) 100%);
  filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#f4eff1', endColorstr='#dfd2f7',GradientType=1 );

form {
  position: relative;
  padding: 20px;
  height: 100%;
  width: 60%;
  margin: auto;

label {
  display: inline-block;

input:not([type=submit]) {
  border: 1px solid $grey;
  padding: 5px;
  transition:border-color 500ms;
  /* Mark required fields */
  &:required {
    border-right: 2px solid $required;
  :required:valid will change the red required mark to green when requirement is met.
  good for input patterns:
  &:valid {
    border-right: 2px solid $success;
  &.error {
    border: 1px solid $error;
  &:focus {
    outline: 0 none;

.pass-label {
  width: 47%;
  margin-right: 5%;
    margin-right: 0;

input[type=password] {

.tip-icon {
  color: $white;
  line-height: 1em;
  margin-bottom: 10px;
    content: '?';
    position: absolute;
    background: #333;
    padding: 3px 3px 3px 1px;
    border-radius: 3px;
    width: 12px;
    height: 12px;
    text-align: center;
  &:hover ~ .tip {
  ~ .tip {
    height: 0;
    position: absolute;
    background: lighten($grey, 20%);
    transition: height 500ms ease-in-out;  
    margin: 0;
    li {
      padding: 5px;

em {
  font-size: small;
  color: $grey;


              // Registration passwords should match
var password = document.getElementById('pass'),
  passwordConfirm = document.getElementById('pass-confirm'),
  errorInputs = document.getElementsByClassName('has-error'),
  registrationUtils = {};

 * Save the user from having to find out their
 * passwords dont match after save by checking now
 * and updating browser validity message with our own.
 * @return {bool}
registrationUtils.confirmMatch = function() {
  if (password.value !== passwordConfirm.value) {
    passwordConfirm.setCustomValidity('Passwords do not match');
  } else {
  return true;

 * Check that the password meets our security policy
 * @return {bool}
registrationUtils.validatePasswordPolicy = function() {

  var policy = new RegExp(password.pattern);

  if (!policy.test(password.value)) {
    password.setCustomValidity('Password does not meet requirements (try "aBc+123")');
  } else {

  return password.validity.valid;

 * Remove error styling from fields onfocus
 * @param  {object} input DOM element with error
 * @return {bool}
registrationUtils.removeErrorClass = function(input) {
  input.className = '';
  return true;

 * Bind util methods to objects in DOM
 * @type {object}
password.onchange = registrationUtils.validatePasswordPolicy;
passwordConfirm.onkeyup = registrationUtils.confirmMatch;

// loop through all the inputs with errors
for (var i = errorInputs.length - 1; i >= 0; i--) {
  errorInputs[i].onfocus = registrationUtils.removeErrorClass.bind(null, errorInputs[i]);

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