JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container">
    <div class="progress" style="width:61%"></div>
</div>

CSS

.container {
    width: 200px;
    height: 30px;
    border: solid 1px black;
    position: relative;
    background: #AAA;
    border-radius: 15px;
    behavior: url(/Content/PIE.htc);
    /* REMOVE TO SEE THE RESULT ON IE8 : */
    overflow:hidden;
}

.progress {
    height: 100%;
    background: #5F5;
}