Dash,
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Let's do the magnifier</title>
<style>
img {
padding: 4px; border:1px solid grey; box-shadow: 0 0 10px rgba(0,0,0,0.5);
}
img:hover {
box-shadow: 0 0 10px rgba(143, 144, 74, 0.5);
}
div:hover:after { content: '';
width: 40px; height:40px;
background-image: url(http://files.boysgame.su/games/magnifier_.png);
background-size: cover;
position:absolute;bottom: 24px; right: 10px; display:block;
}
</style>
</head>
<body>
<div style="position:relative;width:170px; height:130px;">
<a href="http://files.boysgame.su/games/openok_zimnij-1.jpg" data-lightbox="gallery">
<img alt="Опёнок зимний фото" title="" src="http://files.boysgame.su/games/openok_zimnij-1.jpg" class="prev" width="160" height="106" />
</a>
</div>
</body>
</html>