JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container">
    <div class="border">Item one</div>
    <div class="border">Item two</div>
</div>

CSS

.container {
    margin : 5px;
    width : 150px;
    background : yellow;
}

.border {
    padding : 35px 20px 20px 20px;
    box-shadow: inset 0 0 0 15px red, inset 0 15px 0 15px teal;
}