JSFiddle - React, Tailwind, and code Playground

HTML

<div class="main">
    Some content
    <div class="container">
        <input class="content" type="text" />
    </div>
    More content
</div>

CSS

.main {
    border: thin solid red;
}
.container {
    position: relative;
    height: 30px;
}
.content {
    position: absolute;
    left: 0;
    right: 0;
    padding: 3px 10px;
}