JSFiddle - React, Tailwind, and code Playground
HTML
<div class="background">
<div class="hover"><div>
</div>
CSS
.background{
position: relative;
width: 1200px;
height: 600px;
background: url(http://en.wahooart.com/Art.nsf/O/8XX79N/$File/James-E.-Buttersworth-Clipper-in-a-Heavy-Sea.JPG);
overflow: hidden;
}
.background::after{
position: absolute;
top: 0px;
left: 0px;
right: 0px;
bottom: 0px;
background: rgba(0, 0, 0, 0.8);
content: "";
}
.hover{
position: absolute;
z-index: 100;
width: 150px;
height: 150px;
background: url(http://en.wahooart.com/Art.nsf/O/8XX79N/$File/James-E.-Buttersworth-Clipper-in-a-Heavy-Sea.JPG) no-repeat;
-webkit-mask-image: url(http://7mb.ru/demo/mask/mask.png);
mask-image: url(http://7mb.ru/demo/mask/mask.png);
}
.background:hover .hover{
display: block;
}
JavaScript
$(document).ready(function(){
$('.background').mousemove(function(e){
var x = e.pageX;
var y = e.pageY;
$('.hover').css({
'top': y - 75,
'left': x - 75,
'background-position-y': -y + 75,
'background-position-x': -x + 75,
})
});
})