uneven border scrollbox

<style>
#uneven {
    height:100px;
    width:150px;
    padding:10px;
    border:3px;
    border-style:solid;
    border-color:#000;
    border-radius: 255px 15px 225px 15px/15px 225px 15px 255px;
    overflow:auto;
}
</style>

<div id="uneven">
uneven border
<br>
<br>
text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text text
</div>