JSFiddle - React, Tailwind, and code Playground

HTML

<div class="dialog-container">
<div class="dialog-box">9</div>
<div class="dialog-box">8</div>
<div class="dialog-box">7</div>
<div class="dialog-box">6</div>
<div class="dialog-box">5</div>
<div class="dialog-box">4</div>
<div class="dialog-box">3</div>
<div class="dialog-box">2</div>
<div class="dialog-box">1</div>
</div>

SCSS

.dialog-container {
    border: 4px solid rgba(255, 255, 255, .4);
    border-radius: 5px;
    width: 300px;
    height: 340px;
    position: relative;
    top: 50px;
    margin: 0 auto;
    z-index: 5;
    display: flex-box;
    flex-direction: column;
    justify-content: flex-end;
    overflow-y: auto;
    background-color: teal;


    .dialog-box {
        width: 90%;
        background: black;
        margin-bottom: 20px;
        border-radius: 8px;
        border: 5px solid red;
        color: green;
        text-align: center;
        margin-left: 5px;
        padding: 5px;
        display: inline-block;
        p {}
    }
}