JSFiddle - React, Tailwind, and code Playground

by slash197

HTML

<div class="container">
    <div class="left"></div><div class="right"></div>
</div>

CSS

.container {
    background-color: #000000;
    width: 200px;
    height: 20px;
    padding-top: 10px;
}
 .left {
    background-color: #ffffff;
    width: 50px;
    height: 20px;
    border-top-right-radius: 10px;
    display: inline-block;
 }
.right {
    background-color: #ff0000;
    width: 50px;
    height: 20px;
    border-bottom-left-radius: 10px;
    display: inline-block;
    margin-left: -10px;
}