Raptus Design Theme

Markup
<nav class="mega-menu">
    <ul class="mega-menu__root">
        <li>
            <a href="javascript://" class="post-card">
                <span class="post-card__title card-title card-title--left-zero">
                    Country & Folk
                </span>
                <span class="post-card__description post-card__description--discreet">137</span>
            </a>
        </li>
        <li>
            <a href="javascript://" class="post-card post-card--continue">
                <span class="post-card__title card-title card-title--left-zero">
                    Dance & Disco
                </span>
            </a>
            <div class="mega-menu__child mega-menu__level-2">
                <div class="mega-menu__child-wrap">
                    <h4 class="mega-menu__child-title post-card">
                        <a href="javascript://" class="post-card__title card-title card-title--left-zero">
                            Dance & Disco
                        </a>
                    </h4>
                    <ul>
                        <li>
                            <a href="javascript://" class="post-card">
                                <span class="post-card__title card-title card-title--left-zero">
                                    Dubstep
                                </span>
                                <span class="post-card__description post-card__description--discreet">42</span>
                            </a>
                        </li>
                        <li>
                            <a href="javascript://" class="post-card post-card--continue">
                                <span class="post-card__title card-title card-title--left-zero">
                                    House
                                </span>
                            </a>
                            <div class="mega-menu__child mega-menu__level-3">
                                <div class="mega-menu__child-wrap">
                                    <h4 class="mega-menu__child-title post-card">
                                        <a href="javascript://" class="post-card__title card-title card-title--left-zero">
                                            House
                                        </a>
                                    </h4>
                                    <ul>
                                        <li>
                                            <a href="javascript://" class="post-card">
                                                <span class="post-card__title card-title card-title--left-zero">
                                                    Deep House
                                                </span>
                                                <span class="post-card__description post-card__description--discreet">36</span>
                                            </a>
                                        </li>
                                        <li>
                                            <a href="javascript://" class="post-card">
                                                <span class="post-card__title card-title card-title--left-zero">
                                                    Minimal House
                                                </span>
                                                <span class="post-card__description post-card__description--discreet">25</span>
                                            </a>
                                        </li>
                                        <li>
                                            <a href="javascript://" class="post-card">
                                                <span class="post-card__title card-title card-title--left-zero">
                                                    Party Hits
                                                </span>
                                                <span class="post-card__description post-card__description--discreet">48</span>
                                            </a>
                                        </li>
                                        <li>
                                            <a href="javascript://" class="post-card">
                                                <span class="post-card__title card-title card-title--left-zero">
                                                    Chillstep
                                                </span>
                                                <span class="post-card__description post-card__description--discreet">13</span>
                                            </a>
                                        </li>
                                    </ul>
                                </div>
                            </div>
                        </li>
                        <li>
                            <a href="javascript://" class="post-card">
                                <span class="post-card__title card-title card-title--left-zero">
                                    Electro
                                </span>
                                <span class="post-card__description post-card__description--discreet">42</span>
                            </a>
                        </li>
                        <li>
                            <a href="javascript://" class="post-card">
                                <span class="post-card__title card-title card-title--left-zero">
                                    Dancehall
                                </span>
                                <span class="post-card__description post-card__description--discreet">42</span>
                            </a>
                        </li>
                        <li>
                            <a href="javascript://" class="post-card">
                                <span class="post-card__title card-title card-title--left-zero">
                                    Violin
                                </span>
                                <span class="post-card__description post-card__description--discreet">42</span>
                            </a>
                        </li>
                    </ul>
                </div>
            </div>
        </li>
        <li>
            <a href="javascript://" class="post-card">
                <span class="post-card__title card-title card-title--left-zero">
                    Klassische Musik
                </span>
                <span class="post-card__description post-card__description--discreet">20</span>
            </a>
        </li>
        <li>
            <a href="javascript://" class="post-card">
                <span class="post-card__title card-title card-title--left-zero">
                    Sonstiges
                </span>
                <span class="post-card__description post-card__description--discreet">216</span>
            </a>
        </li>
        <li>
            <a href="javascript://" class="post-card">
                <span class="post-card__title card-title card-title--left-zero">
                    Worldmusic
                </span>
                <span class="post-card__description post-card__description--discreet">26</span>
            </a>
        </li>
        <li>
            <a href="javascript://" class="post-card">
                <span class="post-card__title card-title card-title--left-zero">
                    New Age
                </span>
                <span class="post-card__description post-card__description--discreet">16</span>
            </a>
        </li>
        <li>
            <a href="javascript://" class="post-card">
                <span class="post-card__title card-title card-title--left-zero">
                    Soundtracks
                </span>
                <span class="post-card__description post-card__description--discreet">4'999</span>
            </a>
        </li>
    </ul>
</nav>
Source: assets/styles/04-organisms/02-navigation/_mega-menu.scss, line 1