Дмитрий

<div class="wrapper">

    <nav>
        <div class = "logo"></div>
        <ul>
            <li><a href = "login.html">Войти</a></li>
            <li><a href = "index.html#aboutme">Обо мне</a></li>
            <li><a href = "blog.html">Блог</a></li>
            <li><a href = "index.html#getintouch">Обратная связь</a></li>
        </ul>
    </nav>

    <main>
        <h1>Привет! Добро пожаловать в мой Блог!</h1>
        <?php
        require_once ('main_blog.php');

        while ($note = mysqli_fetch_array($select_note))
        {
        ?>
        <div class = "information">
            <!--<p>Кат: <a href = "#">Кино, Знаменитости</a></p>
            <p><a href = "#" class = "likes">136 Нравится</a></p>-->
            <?php require_once('count_comments.php') ?>
            <p><a href = "#" class = "comments"><?php echo $allcomments_num;?> Комментарий</a></p>
        </div>
        <div class = "post">
            <div class = "date"><?php $note['created'] = date("d M"); echo $note['created'];?></div>
            <h2><?php echo $note['title'];?></h2>
            <p><?php echo $note['article']; ?></p>

            <a href = "#">Читать дальше</a>
        </div>
        <?php
        }
        ?>
    </main>

var link = document.getElementById("styleBright"),
    href = link.getAttribute('href');

if(href == 'css/style.css') {
    // do something
} else if (href == 'css/style2.css') {
    // do something
}