JSFiddle - React, Tailwind, and code Playground

HTML

<div class=container>

    <ul>
        <li>
            <button>✖</button>
            <span>abc</span>
        </li>
        <li>
            <button>✖</button>
            <span>def</span>
        </li>
        <li>
            <button>✖</button>
            <span>
                asdfadsfasdfasdfasdfasdfsadsdfsadfasdfasdfewfrsdcxverwdsfvweasdfasdfsadfasdfasdfewfrsdcxverwdsfvweasdfasdfsadfasdfasdfewfrsdcxverwdsfvweasdfasdfsadfasdfasdfewfrsdcxverwdsfvwe
            </span>
        </li>
    </ul>

</div>

CSS

.container {
    margin: 10px;
    border: 1px solid black;
    /* padding: 10px; */
    max-width: 500px;
}

.container ul {
    border: 1px solid #888;
    height: 500px;
    margin: 10px;
    overflow-x: hidden;
    overflow-y: auto;
}

.container ul li {
    border: 1px solid #888;
    margin: 8px;
    padding-left: 10px;
    padding-right: 10px;
    line-height: 30px;
}

.container ul li:hover {
    background-color: #eee;
}

.container ul li span {
    width: 410px;
    display: inline-block;
    overflow: hidden;
    line-height: 22px;
}

.container ul li button {
    float: right;
    font-size: 18px;
    line-height: 22px;
    width: 20px;
    color: white;
    background-color: #1E1E1D;
    text-align: center;
    margin-top: 4px;
    margin-bottom: 4px;
    border: 0px solid black;
    padding: 0;
}

.container ul li button:hover {
    color: #aaa;
}