JSFiddle - React, Tailwind, and code Playground

by davidcl64

HTML

<div class="outer">
    <div class="bottom-left"></div>
    <div class="bottom-right"></div>
</div>

CSS

.outer {
    position: relative;
    width: 200px;
    height: 200px;
    border-left: 1px solid black;
    border-right: 1px solid black;
    border-top: 1px solid black;
}

.bottom-left, .bottom-right {
    position: absolute;
    bottom: 0;
    width: 50px;
    border-bottom: 1px solid black;
}

.bottom-left {
    left: 0;
}

.bottom-right {
    right: 0;
}