如何在导航栏中正确位置的菜单内添加子菜单

您好，我正在尝试在 HTML 中的正确位置的菜单内添加子菜单。但我在定位方面面临一个问题。我尝试使用 full 来解决这个问题ul and li标签，而不是。但我在尺寸方面仍然面临许多问题，所以我决定回到旧的方式。该示例位于链接中。我确信我必须转课，但我几乎没有主意了。所以请兄弟们帮助我。这里是Link http://jsfiddle.net/8kb31h5o/3/.

请将此代码添加到下拉菜单和子菜单下拉菜单中

演示链接在这里https://jsfiddle.net/JentiDabhi/5hmgv8h4/ https://jsfiddle.net/JentiDabhi/5hmgv8h4/

HTML

<ul class="nav-list"> 
                <li class="li-list"><a href="#Home" class="active">Home</a></li>

                <li class="li-list dropdown">
                    <a href="javascript:void(0)" class="dropbtn">Scoreboard</a>
                    <ul class="dropdown-content">
                     <li class="li-list dropdown">
                        <a href="javascript:void(0)" class="dropbtn-sub">Europe continent</a>
                                 <ul class="dropdown-content">
                                    <a href="#">Deep Menu 2</a>
                                    <a href="#">Deep Menu 2</a>
                                 </ul>
                            </li>

                         <li class="li-list"><a href="#">South continent</a></li>
                        <li class="li-list"> <a href="#">Asia continent</a></li>
                         <li class="li-list"><a href="#">Africa continent</a></li>
                         <li class="li-list"><a href="#">Australia continent</a></li>
                         <li class="li-list"><a href="#" id="bottom">North continent</a></li>
                    </ul>
                 </li>
                <li class="dropdown">
                    <a href="javascript:void(0)" class="dropbtn">Communities</a>
                    <div class="dropdown-content">
                        <a href="#">Link 1</a>
                        <a href="#">Link 2</a>
                        <a href="#">Link 3</a>
                    </div>
                 </li>

            </ul>

CSS

.nav-list{
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
}

.li-list{
     float: left;
}

li a, .dropbtn {
    display: inline-block;
    color: white;
    padding: 9px 12px;
    text-decoration: none;
}

li a:hover, .dropdown:hover .dropbtn {
    background-color: #f7ffba;
    color:red;
}

li.dropdown {
    display: inline-block;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: #333;
    width: 160px;

    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    z-index: 1;
    padding: 0;
}
.dropdown-content li{
  list-style: none;
  width: 100%;
  display: inline-block;
}
.dropdown-content a {
    color: black;
    padding: 4px 6px;
    text-decoration: none;
    display: block;
    text-align: left;
    border-bottom: 1px dotted #f7ffba;
    /*position:relative;*/
}

.dropdown-content a:hover {background-color: #f7ffba}

.dropdown:hover > .dropdown-content ,
.dropdown-content .dropdown:hover > .dropdown-content {
    display: block;
}
.dropdown-content .dropdown > .dropdown-content{
  left: 100%;
  top: 0;
}