JSFiddle - React, Tailwind, and code Playground

HTML

<div class="outer">
    <div class="inner">
    </div>
</div>

CSS

.outer {
    position: absolute;
    top: 20px;
    left: 20px;
    height: 50px;
    width: 100px;
    background: blue;
    border: 3px solid green;
    outline: 3px dotted red;
}
.inner {
    position: absolute;
    right: -20px;
    width: 40px;
    top: 15px;
    height: 20px;
    background: yellow;
}