JSFiddle - React, Tailwind, and code Playground

HTML

<div class="out">
   <div class="in">
   </div>
</div>

CSS

.out{
   margin-left:100px;
   width:130px;
   height:130px;  
   margin-top:10px;
   border:1px solid blue;
   position:relative;
   overflow:hidden;
    z-index:-1;
}

.in{
   width:80px;
   height:80px;
   z-index: 9999;
   clear: both;
   position: absolute;
   margin-left: -20px;
   margin-top: -20px;
   background-color:yellow;

}