JSFiddle - React, Tailwind, and code Playground

HTML

<div>
<textarea readonly class="xmlbox">hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhfgfhghffgghfgghdfhfvvsdabvcababadadfsbcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcthrhrtrhtrhtrhtrhtrhtrhtrhtrhtrhtrhtrhtrhtrhtrhnerhiotruherhioritjhortijhrhoierjhioerhiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiwwiwiwiwiwiwiwiwiwiwiwiwiwiwiwiwiwiwiwiwiwiwiwiwiwiwiwiwiwiwiwiwiwiwiwiwiwiwiwiwiwiwiwiwiwiwiwiwiwirwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwriwrifcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcfcf</textarea>
</div>

CSS

.xmlbox {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 2;
    margin: auto;
    padding: 20px;
    width: 60%;
    height: 50%;
    border: 6px solid black;
    border-radius: 20px;
    border-color: rgba(0, 0, 0, 0.3);
    background: rgba(0, 0, 0, 0.3);
    -webkit-box-shadow: 3px 3px 3px rgba(0, 0, 0, 0.1);
    box-shadow: 3px 3px 3px rgba(0, 0, 0, 0.1);
    opacity: 1;
    -ms-filter:"progid:DXImageTransform.Microsoft.Alpha(Opacity=0)";
    filter: alpha(opacity=0);
    -webkit-transition: opacity 1s ease, z-index 1s ease;
    -moz-transition: opacity 1s ease, z-index 1s ease;
    -ms-transition: opacity 1s ease, z-index 1s ease;
    -o-transition: opacity 1s ease, z-index 1s ease;
    transition: opacity 1s ease, z-index 1s ease;
    resize:none;
}