JSFiddle - React, Tailwind, and code Playground

HTML

<div class="parent">
    <div class="wrap">
    <div class="child-big"></div>
    <div class="child">
        <p>qwqwqwqwqwqwqwqqwqwqwqwqwqqwqwqqwqwqwqwqwqqwqwqqwqwqwqwqwqqwqwqqwqwqwqwqwqqwqwqqwqwqwqwqwqqwqqwqwqwqwqwqqwqqwqwqwqwqwqqwqqwqwqwqwqwqqwqqwqwqwqwqwq</p> <p>qwqwqwqwqwqwqwqqwqwqwqwqwqqwqwqqwqwqwqwqwqqwqwqqwqwqwqwqwqqwqwqqwqwqwqwqwqqwqwqqwqwqwqwqwqqwqqwqwqwqwqwqqwqqwqwqwqwqwqqwqqwqwqwqwqwqqwqqwqwqwqwqwq</p> <p>qwqwqwqwqwqwqwqqwqwqwqwqwqqwqwqqwqwqwqwqwqqwqwqqwqwqwqwqwqqwqwqqwqwqwqwqwqqwqwqqwqwqwqwqwqqwqqwqwqwqwqwqqwqqwqwqwqwqwqqwqqwqwqwqwqwqqwqqwqwqwqwqwq</p> <p>qwqwqwqwqwqwqwqqwqwqwqwqwqqwqwqqwqwqwqwqwqqwqwqqwqwqwqwqwqqwqwqqwqwqwqwqwqqwqwqqwqwqwqwqwqqwqqwqwqwqwqwqqwqqwqwqwqwqwqqwqqwqwqwqwqwqqwqqwqwqwqwqwq</p> <p>qwqwqwqwqwqwqwqqwqwqwqwqwqqwqwqqwqwqwqwqwqqwqwqqwqwqwqwqwqqwqwqqwqwqwqwqwqqwqwqqwqwqwqwqwqqwqqwqwqwqwqwqqwqqwqwqwqwqwqqwqqwqwqwqwqwqqwqqwqwqwqwqwq</p> <p>qwqwqwqwqwqwqwqqwqwqwqwqwqqwqwqqwqwqwqwqwqqwqwqqwqwqwqwqwqqwqwqqwqwqwqwqwqqwqwqqwqwqwqwqwqqwqqwqwqwqwqwqqwqqwqwqwqwqwqqwqqwqwqwqwqwqqwqqwqwqwqwqwq</p> <p>qwqwqwqwqwqwqwqqwqwqwqwqwqqwqwqqwqwqwqwqwqqwqwqqwqwqwqwqwqqwqwqqwqwqwqwqwqqwqwqqwqwqwqwqwqqwqqwqwqwqwqwqqwqqwqwqwqwqwqqwqqwqwqwqwqwqqwqqwqwqwqwqwq</p> <p>qwqwqwqwqwqwqwqqwqwqwqwqwqqwqwqqwqwqwqwqwqqwqwqqwqwqwqwqwqqwqwqqwqwqwqwqwqqwqwqqwqwqwqwqwqqwqqwqwqwqwqwqqwqqwqwqwqwqwqqwqqwqwqwqwqwqqwqqwqwqwqwqwq</p> <p>qwqwqwqwqwqwqwqqwqwqwqwqwqqwqwqqwqwqwqwqwqqwqwqqwqwqwqwqwqqwqwqqwqwqwqwqwqqwqwqqwqwqwqwqwqqwqqwqwqwqwqwqqwqqwqwqwqwqwqqwqqwqwqwqwqwqqwqqwqwqwqwqwq</p>
        
    </div>
    </div>
</div>

CSS

html, body{
    position: relative;
    width: 100%;
    height: 100%;
}
.parent{
    overflow:scroll;
    width: 100%;
    height:100%;
    background: green;
    display:inline-block;
}

.child-big{
    display: block;
    float: left;
    width: 200px;
    height: 100px;
    background: yellow;
}
.wrap {
    overflow:hidden;
    min-height:100%
}
.wrap >div {
    
    margin-bottom: -99999px;
    padding-bottom: 99999px;    
    min-height:100%;
}
.child{
    display:block;
    float:left;
    background: blue;
    width: 150px;
    word-wrap:break-word;
}