JSFiddle - React, Tailwind, and code Playground

HTML

<div id="scene">
    <div class="object">
    </div>
</div>

CSS

#scene {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 200px;
    height: 200px;
    margin: -100px 0 0 -100px;
    background-color: #eee;
    box-shadow:inset 0 0 .8em #666;
    overflow:hidden;
    border:1px solid #999;
    border-radius: 5px;
}

.object {
    position: absolute;
    left: 50px;
    top: 50px;
    width: 50px;
    height: 50px;
    background-color: #eee;
    box-shadow:0 0 .5em #444;
    cursor: default;
    text-align: center;
    border-radius: 5px;
}

span {
    font-size: 9px;
    color: #444;
}

JavaScript

jQuery(document).ready(function(){
    
    var scene = $('#scene');
    var object = $('.object');
    
    scene.mousemove(function(e){
        // get offset of object relative to scene
        var offsetX = e.pageX - scene.offset().left;
        var offsetY = e.pageY - scene.offset().top;
        
        // grab object in it's center (optional)
        offsetX -= object.width() / 2;
        offsetY -= object.height() / 2;
        
        // don't left to object out of the scene
        var maxX = scene.width() - object.width();
        var maxY = scene.height() - object.height();

        if(0 > offsetX) offsetX = 0;
        else if(offsetX > maxX) offsetX = maxX ;
        
        if(0 > offsetY) offsetY = 0;
        else if(offsetY > maxY) offsetY = maxY;
        
        // delete decimals
        offsetX = Math.floor(offsetX);
        offsetY = Math.floor(offsetY);
        
        // debug information
        object.html('<span>X: ' + offsetX + ' Y: ' + offsetY + '</span>');
        
        // move object
        object.css('left', offsetX).css('top', offsetY);
    });
    
});