JSFiddle - React, Tailwind, and code Playground

HTML

<div class="wrapper">
    <div class="box-content">
        <div class="fixed-element">
            
        </div>
    </div>
</div>

CSS

.wrapper {
    transform: translateX(50px);
    background: pink;
}

.box-content {
    height: 1000px;
    background: green;
}

.fixed-element{
    position: fixed;
    top: 0;
    left: 0;
    width: 50px;
    height: 50px;
    background: blue;
}