"Login form-required"
Bootstrap 4.0.0 Snippet by georgi113

<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css"> <script src="//maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js"></script> <script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script> <!------ Include the above in your HEAD tag ----------> <form> <input type="email" required placeholder="Email" title="Please, enter valid email adress"/><input type="password" required placeholder="Password" title="Please, enter password"/><input type="submit" required value="Login" title="Login"/> </form>

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