<form action="submit" class="gl-show-field-errors" method="post"> <div class="form-group"> <input class="required-text" required type="text">Text</input> </div> <div class="form-group"> <input class="email" required title="Please provide a valid email address." type="email">Email</input> </div> <div class="form-group"> <input class="password" required type="password">Password</input> </div> <div class="form-group"> <input class="alphanumeric" pattern="[a-zA-Z0-9]" required type="text">Alphanumeric</input> </div> <div class="form-group"> <input class="hidden" type="hidden"> </div> <div class="form-group"> <input class="custom gl-field-error-ignore" type="text">Custom, do not validate</input> </div> <div class="form-group"></div> <input class="submit" type="submit">Submit</input> </form>