JSFiddle - React, Tailwind, and code Playground

HTML

<div id="page1" class="menu-content-info">
<ul class="menu-items">
<a href="#"><li>General</li></a>
<a href="#"><li>HOW TO CONNECT</li></a>
<li>Rules
<ul class="sub-level">
	<li><a href="#">testing</a></li>
	<li><a href="#">testing2</a></li>
</ul>
</li>
<a href="#"><li>Full stats</li></a>
<a href="#"><li>Forum</li></a>
<a href="#"><li style="color: #d08f29;">Donations</li></a>
<a href="#"><li>Offers</li></a>
<a href="#"><li>Merchandise</li></a>
<a href="#"><li>Contacts</li></a>

</ul>	 
        </div>

CSS

.menu-content {
width: 400px;
height: 500px;
background: #2d2d2d;
}
.menu-content-info {
background: #2d2d2d;
margin: 0;
padding: 0;
height: 523px;
width: 400px;
position: relative;
bottom: 23px;
}
.menu-items {
padding: 0;
}
.menu-items a {
text-decoration: none;
}
.menu-items li {
list-style: none;
color: #990000;
text-decoration: none;
text-align: left;
font-size: 18pt;
font-family: 'Russo One', sans-serif;
text-transform: uppercase;
padding: 10px;
}
.menu-items li .sub-level {
display: none;
position: absolute;
}
.menu-items li:hover .sub-level {
background: orange;
    display: inline-block;
	padding: 0;
	margin: 0;
	right: 80%;
}
.menu-items li .sub-level li:hover {
background: green;
}
.menu-items a li:hover {
background: #4f4f4f;
color: #000;
padding-left: 20px;
}

.menu-heading {
background: #788277;
width: auto;
height: 40px;
padding: 10px;
text-align: center;
position: relative;
top: 10px;
font-family: 'Russo One', sans-serif;
color: #000;
}

/*RESET STYLES*/
li:hover .sub-level .sub-level {
    display:none;
}
 
.sub-level li:hover .sub-level {
    display:block;
}