box-notification

<style>
    #pop{display:none;position:absolute;top:50%;left:50%;margin-left:-150px;margin-top:-100px;padding:10px;width:300px;height:200px;border:1px solid #d0d0d0}

    /* Tabs panel */
    .tabbable-panel {
        border:1px solid #eee;
        padding: 10px;
    }

    /* Default mode */
    .tabbable-line > .nav-tabs {
        border: none;
        margin: 0px;
    }
    .tabbable-line > .nav-tabs > li {
        margin-right: 2px;
    }
    .tabbable-line > .nav-tabs > li > a {
        border: 0;
        margin-right: 0;
        color: #737373;
    }
    .tabbable-line > .nav-tabs > li > a > i {
        color: #a6a6a6;
    }
    .tabbable-line > .nav-tabs > li.open, .tabbable-line > .nav-tabs > li:hover {
        border-bottom: 4px solid #fbcdcf;
    }
    .tabbable-line > .nav-tabs > li.open > a, .tabbable-line > .nav-tabs > li:hover > a {
        border: 0;
        background: none !important;
        color: #333333;
    }
    .tabbable-line > .nav-tabs > li.open > a > i, .tabbable-line > .nav-tabs > li:hover > a > i {
        color: #a6a6a6;
    }
    .tabbable-line > .nav-tabs > li.open .dropdown-menu, .tabbable-line > .nav-tabs > li:hover .dropdown-menu {
        margin-top: 0px;
    }
    .tabbable-line > .nav-tabs > li.active {
        border-bottom: 4px solid #f3565d;
        position: relative;
    }
    .tabbable-line > .nav-tabs > li.active > a {
        border: 0;
        color: #333333;
    }
    .tabbable-line > .nav-tabs > li.active > a > i {
        color: #404040;
    }
    .tabbable-line > .tab-content {
        margin-top: -3px;
        background-color: #fff;
        border: 0;
        border-top: 1px solid #eee;
        padding: 15px 0;
    }
    .portlet .tabbable-line > .tab-content {
        padding-bottom: 0;
    }
</style>

<div class="tabbable-panel" id="pop">
    <div class="tabbable-line">
        <ul class="nav nav-tabs ">
            <li class="active">
                <a href="#tab_default_1" data-toggle="tab">
                    Tab 1 </a>
            </li>
            <li>
                <a href="#tab_default_2" data-toggle="tab">
                    Tab 2 </a>
            </li>
            <li>
                <a href="#tab_default_3" data-toggle="tab">
                    Tab 3 </a>
            </li>
        </ul>
        <div class="tab-content">
            <div class="tab-pane active" id="tab_default_1">
                <p>
                    Tab 1.
                </p>
                <p>
                    Duis autem eum iriure dolor in hendrerit in vulputate velit esse molestie consequat. Ut wisi enim ad minim veniam, quis nostrud exerci tation ullamcorper suscipit lobortis nisl ut aliquip ex ea commodo consequat.

            </div>
            <div class="tab-pane" id="tab_default_2">
                <p>
                    Tab 2.
                </p>
                <p>
                    Ut wisi enim ad minim veniam, quis nostrud exerci tation ullamcorper suscipit lobortis nisl ut aliquip ex ea commodo consequat. Duis autem vel eum iriure dolor in hendrerit in vulputate velit esse molestie consequat.
                </p>

            </div>
            <div class="tab-pane" id="tab_default_3">
                <p>
                    Tab 3.
                </p>
                <p>
                    Duis autem vel eum iriure dolor in hendrerit in vulputate. Ut wisi enim ad minim veniam, quis nostrud exerci tation ullamcorper suscipit lobortis nisl ut aliquip ex ea commodo consequat. Duis autem vel eum iriure dolor in hendrerit in vulputate velit esse molestie consequat
                </p>

            </div>
        </div>
    </div>
</div>

<a href="#" onclick="document.getElementById('pop').style.display = 'block';">Mostra</a>