JSFiddle - React, Tailwind, and code Playground
HTML
<div id="guildinfo">
</div>
<div id="kndpopup">
</div>
<button id="knd">Toggle</button>
CSS
#kndpopup{
height:50px;
background-color:black;
}
#guildinfo{
height:50px;
background-color:blue;
}
#knd{
height:50px;
width:50px
}
JavaScript
$("#knd").click(function() {
$('#guildinfo,#kndpopup').fadeToggle();
});