JSFiddle - React, Tailwind, and code Playground

HTML

<div class="board">
    <div class="cards">
    </div>
</div>

CSS

.card {
    border: 1px solid black;
    width: 100px;
    height: 100px;
    display:inline-block;
    margin-left: 4px;
    margin-right: 4px;   
}  

.cards {
    position: relative;
    top: 10px;
    white-space:nowrap;
}

.board {
    width: 400px;
    height: 120px;
    border: 1px solid red;
    position: relative;
    overflow: hidden;
    
    
}

JavaScript

$('.board').mousemove(function(e) {
    $('.cards').css({left: e.pageX});
});

$('.board').click(function(e) {
   $('.cards').append("<span class='card'></span>") 
});