JSFiddle - React, Tailwind, and code Playground

HTML

<div id="parent">

<div class="container" id="hidden">
    <div id="test">totototot</div>
</div>
</div>

CSS

#parent{
    width:200px;height:200px;
    border:1px solid red;
    margin:10px;
position:relative;    
}
.container{
    position:absolute;top:0;left:0;bottom:0;right:0;
}
#hidden{overflow:hidden;}

#hidden div{
border:1px solid blue;
width:50px;height:50px;
 position:absolute;
 top:90%;
left:-10%;    
}

#test{
    display:block;
}
}