JSFiddle - React, Tailwind, and code Playground

HTML

<ul class="email-textbox">
    <li>bob@email.com;</li>
    <li>jane@email.com;</li>
    <li><input type="text" /></li>
</ul>

CSS

.email-textbox {
    background-color: #fff;
    border: 1px solid #ccc;
    padding: 2px 4px; 
}

.email-textbox li {
    display: inline-block;
    list-style: none;
    margin-left: 5px;   
}

.email-textbox input {
    background: none;
    border: none;
}