JSFiddle - React, Tailwind, and code Playground

HTML

<div class="title">
    <span>Cumulative performance</span>
    <span>20/02/2011</span>
</div>

CSS

.title
{
    display: block;
    border-top: 4px solid #a7a59b;
    background-color: #f6e9d9;
    height: 22px;
    line-height: 22px;
    padding: 4px 6px;
    font-size: 14px;
    color: #000;
    margin-bottom: 13px;
    clear:both;
}

.title {
  display: flex;
}

span:first-of-type {
  flex: 1;
}