JSFiddle - React, Tailwind, and code Playground

HTML

<div class="wrapper">
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
</div>

CSS

*,*:before,*:after {box-sizing:border-box;}

.wrapper{
 position:relative;
  width:460px;
  border:1px solid black;
  padding: 0 8px;
  margin: 0;
  height: 600px;
  overflow:hidden;
}

.wrapper:hover {
  overflow-y:auto;
}

.item {
  position: relative;
  width:100%;
  height: 150px;
  background-color: gray;
  margin: 8px 0;
}