JSFiddle - React, Tailwind, and code Playground

by Rafael Nepomuceno

HTML

<div class="container">
    <div class="overlay">
        <div class="overlay-inner">
            <div class="top">Content of top</div>
            <div class="overlay-content">
                <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Mollitia placeat obcaecati necessitatibus dolorum cum, repudiandae illo corporis perspiciatis qui a, dolorem delectus earum distinctio. Natus explicabo, vel asperiores labore. Voluptas!</p>
                <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Mollitia placeat obcaecati necessitatibus dolorum cum, repudiandae illo corporis perspiciatis qui a, dolorem delectus earum distinctio. Natus explicabo, vel asperiores labore. Voluptas!</p>
                <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Mollitia placeat obcaecati necessitatibus dolorum cum, repudiandae illo corporis perspiciatis qui a, dolorem delectus earum distinctio. Natus explicabo, vel asperiores labore. Voluptas!</p>
                <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Mollitia placeat obcaecati necessitatibus dolorum cum, repudiandae illo corporis perspiciatis qui a, dolorem delectus earum distinctio. Natus explicabo, vel asperiores labore. Voluptas!</p>
            </div>
            <div class="bottom">Content of bottom</div>
        </div>
    </div>
</div>

CSS

body {
    background-color: #EAEAEA;
}
.container {
    width: 400px;
}
.overlay {
    position: fixed;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    display: flex;
    justify-content: center;
    align-items: center;
}
.top {
    border-bottom: 1px solid #DDD;
}
.bottom {
    border-top: 1px solid #DDD;
}
.top,
.bottom {
    padding: 10px;
    font-weight: bold;
    font-size: 16px;
}
.overlay-inner {
    border: 1px solid #DDD;
    border-radius: 2px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.3);
    background-color: #FFF;
    margin: auto;
}
.overlay-content {
    padding: 10px;
    max-width: 300px;
    overflow: auto;
}