JSFiddle - React, Tailwind, and code Playground

HTML

<div class="outer">
   <div class="icon"></div>
   <div class="content">
       bla<br/>bla<br/>bla<br/>bla<br/>bla<br/>bla<br/>bla<br/>bla<br/>bla<br/>
   </div>
</div>

CSS

.outer {
    position: relative;
    height: 100px;
    overflow-x: hidden;
    overflow-y: auto;
    width: 100%;
}
.icon {
    position: fixed;
    right: 0;
    top: 0;
    background: red;
    width: 10px; height: 10px;   
}