JSFiddle - React, Tailwind, and code Playground

HTML

<div class="row client">
<a href="somepage.php" style="color:#515151;">Link1</a>
<span style="color:#f3f3f3;">Span</span>
<h3 style="color:#ff00ff;">Subtitle</h3>
</div>

CSS

* {margin: 0px; padding: 0px;}
body {background-color: rgb(248,248,248)}
#nav {
    list-style:none;
}
#nav li {
    float:left;
    display:block;
    width:100px;
    position:relative;
    z-index:500;
}
/* this is the parent menu */
 #nav li a {
    display:block;
    padding:15px;
    color:#000;
    border: 1px solid transparent;
}
#nav li a:hover {
    border: 1px solid black;
    
}
 #nav a.open {
    color:#fff;
    background-color: pink;
}
 #nav ul {
    position:absolute;
    display:none;
    padding:0;
    list-style:none;
}
#nav ul li {
    width:100px;
    float:left;
}
 #nav ul a {
    display:block;
    height:15px;
    padding: 15px;
    color:#666;
}
#nav ul a:hover {
    text-decoration:underline;
}
.active{
    background-color: pink;
    
}

JavaScript

var colorarray=[];
    $('.client').children().addBack().each(function(){
        if(!$(this).is('.client'))
      colorarray.push("color of the <" +$(this).prop("tagName")+"> is "+ $(this).css('color'))
      else
            colorarray.push("background of <" +$(this).prop("tagName")+"> is "+ $(this).css('backgroundColor'))
    })
    console.log(colorarray);