Ako "vyzdvihnúť" jeden div nad druhý

<section class="admin" id="admin">
        <div class="container">
            <div class="row">
                <div class="col-lg-12 text-center">
                    <h2 class="section-heading">Administrácia</h2>
                    <h3 class="section-subheading text-muted">Ste prihlásený ako <strong><?php echo $login_session; ?></strong></h3>
                    <div class="uprava" id="corobime1" style="display:none;">
                        <ul class="nav nav-pills nav-stacked text-left">
                            <li class="active"><a onclick="showCoRobime1();" href="#corobime1">Článok 1</a></li>
                            <li><a onclick="showCoRobime2();" href="#corobime2">Článok 2</a></li>
                            <li><a onclick="showCoRobime3();" href="#corobime3">Článok 3</a></li>
                        </ul>
                        <form class="form-horizontal" method="post">
                            <h3>Úprava článku - Čo robíme (1)</h3>
                            <input name="nazov" class="form-control col-centered" type="text" value="<?php include 'editor.php'; echo $row['Nazov']; ?>"><br><textarea class="form-control col-centered" rows="5" cols="60" name="text"><?php include 'editor.php'; echo $row['Text'];?></textarea>
                            <button type="submit" class="btn btn-default" name="upravit">Upraviť</button>
                        </form>
                    </div>
                    <div class="uprava" id="corobime2" style="display:none;">
                        <ul class="nav nav-pills nav-stacked text-left">
                            <li><a onclick="showCoRobime1();" href="#corobime1">Článok 1</a></li>
                            <li class="active"><a onclick="showCoRobime2();" href="#corobime2">Článok 2</a></li>
                            <li><a onclick="showCoRobime3();" href="#corobime3">Článok 3</a></li>
                        </ul>
                        <form class="form-horizontal" method="post">
                            <h3>Úprava článku - Čo robíme (2)</h3>
                            <input name="nazov2" class="form-control col-centered" type="text" value="<?php include 'editor2.php'; echo $row['Nazov']; ?>"><br><textarea class="form-control col-centered" rows="5" cols="60" name="text"><?php include 'editor2.php'; echo $row['Text'];?></textarea>
                            <button type="submit" class="btn btn-default" name="upravit2">Upraviť</button>
                        </form>
                    </div>
                    <div class="uprava" id="corobime3" style="display:none;">
                        <ul class="nav nav-pills nav-stacked text-left">
                            <li><a onclick="showCoRobime1();" href="#corobime1">Článok 1</a></li>
                            <li><a onclick="showCoRobime2();" href="#corobime2">Článok 2</a></li>
                            <li class="active"><a onclick="showCoRobime3();" href="#corobime3">Článok 3</a></li>
                        </ul>
                        <form class="form-horizontal" method="post">
                            <h3>Úprava článku - Čo robíme (3)</h3>
                            <input name="nazov3" class="form-control col-centered" type="text" value="<?php include 'editor3.php'; echo $row['Nazov']; ?>"><br><textarea class="form-control col-centered" rows="5" cols="60" name="text"><?php include 'editor3.php'; echo $row['Text'];?></textarea>
                            <button type="submit" class="btn btn-default" name="upravit3">Upraviť</button>
                        </form>
                    </div>
                    <div class="uprava" id="onas" style="display:none;">
                        <form class="form-horizontal" method="post">
                            <h3>Úprava článku - O nás</h3>
                               <textarea class="form-control col-centered" rows="5" cols="60" name="text"><?php include 'editor_onas.php'; echo $row['Text'];?></textarea>
                            <button type="submit" class="btn btn-default" name="upravit4">Upraviť</button>
                        </form>
                    </div>
                </div>
            </div>
        </div>
    </section>

    <!-- jQuery -->
    <script src="/jquery/jquery.min.js"></script>

    <!-- Bootstrap Core JavaScript -->
    <script src="/js/bootstrap.min.js"></script>
    <script type='text/javascript'>
        function showCoRobime1() {
            document.getElementById('onas').style.display = "none";
            document.getElementById('corobime2').style.display = "none";
            document.getElementById('corobime3').style.display = "none";
            document.getElementById('corobime1').style.display = "block";
        }
        function showCoRobime2() {
            document.getElementById('onas').style.display = "none";
            document.getElementById('corobime1').style.display = "none";
            document.getElementById('corobime3').style.display = "none";
            document.getElementById('corobime2').style.display = "block";
        }
        function showCoRobime3() {
            document.getElementById('onas').style.display = "none";
            document.getElementById('corobime1').style.display = "none";
            document.getElementById('corobime2').style.display = "none";
            document.getElementById('corobime3').style.display = "block";
        }
        function showOnas() {
            document.getElementById('corobime1').style.display = "none";
            document.getElementById('corobime2').style.display = "none";
            document.getElementById('corobime3').style.display = "none";
            document.getElementById('onas').style.display = "block";
        }
    </script>