JSFiddle - React, Tailwind, and code Playground

HTML

<div class='ship'></div>

CSS

html, body {
    width: 100%;
    height: 100%;
    background-color:black;
}
.ship {
    width:20px;
    height:20px;
    background-color:white;
    position:absolute;
}

JavaScript

$(document).mousemove(function(e){
    $(".ship").css({left:e.pageX, top:e.pageY});
});