JSFiddle - React, Tailwind, and code Playground

HTML

<a class="__open" href="#">Ссылка 4</a>
<div class="None">
</div>

CSS

body{background:#cecece}

.__open:hover 
{
	background-color: #fff;
	color: #4a4a4a;
}
.None 
{
	display: none;
background-color: #fff;
    width: 358px;
    height:368px
}

a.__open:hover + .None, .None:hover 
{
	display: block;
}