JSFiddle - React, Tailwind, and code Playground

HTML

<div id="back">
   
            <div class="wrapper">
    <div class="container">
    <ul id="menu" class="menu">
        
    <li id="l1" runat="server" class="active"><a class="link1" href="Home.aspx" runat="server" id="a1">Home</a></li>
    <li id="l2" runat="server"><a runat="server" class="link1" href="?id=History" id="a2">About MCB<img src="Images/Other%20Images/dropdown.png" style="position:absolute;margin-right:0px; top: -3px; left: 138px;"/></a>
        <ul>
            <li id="l21" runat="server"><a runat="server" class="link1" href="?id=Members" id="a21">Member details</a></li>
            <li id="l22" runat="server"><a runat="server" class="link1" style="width:116px;" href="?id=History" id="a22">History</a></li>
        </ul>
        
    </li>
    <li id="l3" runat="server"><a  runat="server" href="?id=Photos" class="link1" id="a3">Gallery<img src="Images/Other%20Images/dropdown.png" style="position:absolute;top: -3px; float:right;right:-8px; z-index:1000;"/></a>
        <ul id="gl">
            <li id="L31" runat="server"><a style="width:inherit" runat="server" class="link1" href="?id=Photos" id="a15">Photos</a></li>
            <li id="L32" runat="server"><a style="width:inherit" runat="server" class="link1" href="?id=Videos" id="a16">Videos</a></li>
        </ul>
        
    </li>
    
    </ul>
</div>
</div>
            </div>

CSS

@-webkit-keyframes fadeInOut {
	
	0% { opacity: 1; }
    50% { opacity: .25; }
	100% {opacity: 1; } 

}

.wrapper {
    width: 100%;
    height: 40px;
    background : #464646;
    background : -webkit-gradient(linear, left top, left bottom, from(rgb(168,168,168)), to(rgb(69,69,69)));
    background : -moz-linear-gradient(top, rgb(168,168,168), rgb(69,69,69));
    border-top: 2px ridge #939393;
    position: relative;
    top:19px;
    margin-bottom: 30px;
}

ul {
    margin: 0;
    padding: 0;
}
 
ul.menu {
    height: 30px;
    border-left: 1px solid rgba(0,0,0,0.3);
    border-right: 1px solid rgba(255,255,255,0.3);
    float:left;
    position:relative;
}
 
ul.menu li {
    list-style: none;
    float:left;
    height: 39px;
    display:inline-block;
    text-align: center;
    position:relative;
    background: -webkit-gradient(radial, 50% 100%, 10, 50% 50%, 90, from(rgba(31,169,244,1)), to(rgba(0,28,78, 1)) );
    background: -moz-radial-gradient(center 80px 45deg, circle cover, rgba(31,169,244,1) 0%, rgba(0,28,78, 1) 100%);

}

    ul.menu li ul li 
    {
        display: block;
        float: none;
        clear: left;
        -webkit-animation-name: fadeInOut; 
        -webkit-animation-iteration-count: infinite;
	    -webkit-animation-timing-function: linear;
	    -webkit-animation-duration: 3s;    
        
    }
    .menu li:not(:hover) ul {
    display: none; 
    
    }

    .menu li:hover ul {
    display: inline-block; 
    
    }

ul.menu li ul li a
{
        clear: left;
        line-break: strict;
        display:inline-block;
        position:relative;
        font-size:18px;
        
    }
.link1 {
        display: block;
        
        text-decoration: none;
        font-family:'Adobe Garamond Pro';
        color: White;
        font-size: 22px;
        font-weight:bolder;
    
        padding: 0 30px;
        border-left: 1px solid rgba(255,255,255,0.1);
        border-right: 1px solid rgba(0,0,0,0.1);
        text-align: center;
       ...