<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js"></script>
<script src="//code.jquery.com/jquery-1.11.1.min.js"></script>
<script type="text/javascript" src="script.js"></script>
<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>
<link rel="stylesheet" type="text/css" href="lien.css">
<div class="login-reg-panel">
<div class="login-info-box">
<h2>Have an account?</h2>
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<label id="label-register" for="log-reg-show">Login</label>
<input type="radio" name="active-log-panel" id="log-reg-show" checked="checked">
</div>
<div class="register-info-box">
<h2>Don't have an account?</h2>
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<label id="label-login" for="log-login-show">Register</label>
<input type="radio" name="active-log-panel" id="log-login-show">
</div>
<div class="white-panel">
<div class="login-show">
<h2>LOGIN</h2>
<input type="text" placeholder="Email">
<input type="password" placeholder="Password">
<input type="button" value="Login">
<a href="">Forgot password?</a>
</div>
<div class="register-show">